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Conformation of secondary amides. A predictive algorithm that correlates DFT-calculated structures and experimental proton chemical shifts.

The Journal of organic chemistry

Avalos M, Babiano R, Barneto JL, Cintas P, Clemente FR, Jiménez JL, Palacios JC.
PMID: 12608799
J Org Chem. 2003 Mar 07;68(5):1834-42. doi: 10.1021/jo026695z.

The magnetic deshielding caused by the amido group on CON-CHalpha protons of secondary amides can easily be correlated with DFT-based structures at the B3LYP/6-31G level of theory via a novel algorithm that refines previous models, such as the classical...

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Avalos M, Babiano R, Barneto JL, et al. Conformation of secondary amides. A predictive algorithm that correlates DFT-calculated structures and experimental proton chemical shifts. J Org Chem. 2003;68(5):1834-42doi: 10.1021/jo026695z.
Avalos, M., Babiano, R., Barneto, J. L., Cintas, P., Clemente, F. R., Jiménez, J. L., & Palacios, J. C. (2003). Conformation of secondary amides. A predictive algorithm that correlates DFT-calculated structures and experimental proton chemical shifts. The Journal of organic chemistry, 68(5), 1834-42. https://doi.org/10.1021/jo026695z
Avalos, Martín, et al. "Conformation of secondary amides. A predictive algorithm that correlates DFT-calculated structures and experimental proton chemical shifts." The Journal of organic chemistry vol. 68,5 (2003): 1834-42. doi: https://doi.org/10.1021/jo026695z
Avalos M, Babiano R, Barneto JL, Cintas P, Clemente FR, Jiménez JL, Palacios JC. Conformation of secondary amides. A predictive algorithm that correlates DFT-calculated structures and experimental proton chemical shifts. J Org Chem. 2003 Mar 07;68(5):1834-42. doi: 10.1021/jo026695z. PMID: 12608799.
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Tandem Pummerer/Mannich cyclization cascade of alpha-sulfinylamides as a method to prepare aza-heterocycles.

The Journal of organic chemistry

Padwa A, Heidelbaugh TM, Kuethe JT, McClure MS, Wang Q.
PMID: 12182624
J Org Chem. 2002 Aug 23;67(17):5928-37. doi: 10.1021/jo020083x.

A series of alpha-sulfinylenamides was conveniently prepared by the condensation of a primary amine with a ketone, followed by reaction of the resulting imine with ethylsulfenylacetyl chloride and subsequent oxidation with sodium periodate. When treated with p-TsOH, cyclization occurred...

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Padwa A, Heidelbaugh TM, Kuethe JT, et al. Tandem Pummerer/Mannich cyclization cascade of alpha-sulfinylamides as a method to prepare aza-heterocycles. J Org Chem. 2002;67(17):5928-37doi: 10.1021/jo020083x.
Padwa, A., Heidelbaugh, T. M., Kuethe, J. T., McClure, M. S., & Wang, Q. (2002). Tandem Pummerer/Mannich cyclization cascade of alpha-sulfinylamides as a method to prepare aza-heterocycles. The Journal of organic chemistry, 67(17), 5928-37. https://doi.org/10.1021/jo020083x
Padwa, Albert, et al. "Tandem Pummerer/Mannich cyclization cascade of alpha-sulfinylamides as a method to prepare aza-heterocycles." The Journal of organic chemistry vol. 67,17 (2002): 5928-37. doi: https://doi.org/10.1021/jo020083x
Padwa A, Heidelbaugh TM, Kuethe JT, McClure MS, Wang Q. Tandem Pummerer/Mannich cyclization cascade of alpha-sulfinylamides as a method to prepare aza-heterocycles. J Org Chem. 2002 Aug 23;67(17):5928-37. doi: 10.1021/jo020083x. PMID: 12182624.
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Palladium-Catalyzed Regioselective C-H Alkenylation of Arylacetamides via Distal Weakly Coordinating Primary Amides as Directing Groups.

The Journal of organic chemistry

Jaiswal Y, Kumar Y, Kumar A.
PMID: 29276827
J Org Chem. 2018 Feb 02;83(3):1223-1231. doi: 10.1021/acs.joc.7b02618. Epub 2018 Jan 11.

Herein we disclose the efficient Pd(II)-catalyzed and regioselective ortho C-H alkenylation of arylacetamide derivatives, viz. weakly coordinating aliphatic primary amides. This protocol utilizes ubiquitous free primary amides as the directing group and circumvents two troublesome steps of installation and...

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Jaiswal Y, Kumar Y, Kumar A. Palladium-Catalyzed Regioselective C-H Alkenylation of Arylacetamides via Distal Weakly Coordinating Primary Amides as Directing Groups. J Org Chem. 2018;83(3):1223-1231doi: 10.1021/acs.joc.7b02618.
Jaiswal, Y., Kumar, Y., & Kumar, A. (2018). Palladium-Catalyzed Regioselective C-H Alkenylation of Arylacetamides via Distal Weakly Coordinating Primary Amides as Directing Groups. The Journal of organic chemistry, 83(3), 1223-1231. https://doi.org/10.1021/acs.joc.7b02618
Jaiswal, Yogesh, et al. "Palladium-Catalyzed Regioselective C-H Alkenylation of Arylacetamides via Distal Weakly Coordinating Primary Amides as Directing Groups." The Journal of organic chemistry vol. 83,3 (2018): 1223-1231. doi: https://doi.org/10.1021/acs.joc.7b02618
Jaiswal Y, Kumar Y, Kumar A. Palladium-Catalyzed Regioselective C-H Alkenylation of Arylacetamides via Distal Weakly Coordinating Primary Amides as Directing Groups. J Org Chem. 2018 Feb 02;83(3):1223-1231. doi: 10.1021/acs.joc.7b02618. Epub 2018 Jan 11. PMID: 29276827.
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Insights into Ruthenium(II/IV)-Catalyzed Distal C-H Oxygenation by Weak Coordination.

Chemistry (Weinheim an der Bergstrasse, Germany)

Bu Q, Kuniyil R, Shen Z, Gońka E, Ackermann L.
PMID: 32596872
Chemistry. 2020 Dec 09;26(69):16450-16454. doi: 10.1002/chem.202003062. Epub 2020 Oct 29.

C-H hydroxylation of aryl acetamides and alkyl phenylacetyl esters was accomplished via challenging distal weak O-coordination by versatile ruthenium(II/IV) catalysis. The ruthenium(II)-catalyzed C-H oxygenation of aryl acetamides proceeded through C-H activation, ruthenium(II/IV) oxidation and reductive elimination, thus providing step-economical...

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Bu Q, Kuniyil R, Shen Z, et al. Insights into Ruthenium(II/IV)-Catalyzed Distal C-H Oxygenation by Weak Coordination. Chemistry. 2020;26(69):16450-16454doi: 10.1002/chem.202003062.
Bu, Q., Kuniyil, R., Shen, Z., Gońka, E., & Ackermann, L. (2020). Insights into Ruthenium(II/IV)-Catalyzed Distal C-H Oxygenation by Weak Coordination. Chemistry (Weinheim an der Bergstrasse, Germany), 26(69), 16450-16454. https://doi.org/10.1002/chem.202003062
Bu, Qingqing, et al. "Insights into Ruthenium(II/IV)-Catalyzed Distal C-H Oxygenation by Weak Coordination." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 26,69 (2020): 16450-16454. doi: https://doi.org/10.1002/chem.202003062
Bu Q, Kuniyil R, Shen Z, Gońka E, Ackermann L. Insights into Ruthenium(II/IV)-Catalyzed Distal C-H Oxygenation by Weak Coordination. Chemistry. 2020 Dec 09;26(69):16450-16454. doi: 10.1002/chem.202003062. Epub 2020 Oct 29. PMID: 32596872; PMCID: PMC7756554.
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Distal Weak Coordination of Acetamides in Ruthenium(II)-Catalyzed C-H Activation Processes.

Angewandte Chemie (International ed. in English)

Bu Q, Rogge T, Kotek V, Ackermann L.
PMID: 29141119
Angew Chem Int Ed Engl. 2018 Jan 15;57(3):765-768. doi: 10.1002/anie.201711108. Epub 2017 Dec 12.

C-H activations with challenging arylacetamides were accomplished by versatile ruthenium(II) biscarboxylate catalysis. The distal C-H functionalization offers ample scope-including twofold oxidative C-H functionalizations and alkyne hydroarylations-through facile base-assisted internal electrophilic-type substitution (BIES) C-H ruthenation by weak O-coordination.

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Bu Q, Rogge T, Kotek V, et al. Distal Weak Coordination of Acetamides in Ruthenium(II)-Catalyzed C-H Activation Processes. Angew Chem Int Ed Engl. 2017;57(3):765-768doi: 10.1002/anie.201711108.
Bu, Q., Rogge, T., Kotek, V., & Ackermann, L. (2018). Distal Weak Coordination of Acetamides in Ruthenium(II)-Catalyzed C-H Activation Processes. Angewandte Chemie (International ed. in English), 57(3), 765-768. https://doi.org/10.1002/anie.201711108
Bu, Qingqing, et al. "Distal Weak Coordination of Acetamides in Ruthenium(II)-Catalyzed C-H Activation Processes." Angewandte Chemie (International ed. in English) vol. 57,3 (2018): 765-768. doi: https://doi.org/10.1002/anie.201711108
Bu Q, Rogge T, Kotek V, Ackermann L. Distal Weak Coordination of Acetamides in Ruthenium(II)-Catalyzed C-H Activation Processes. Angew Chem Int Ed Engl. 2018 Jan 15;57(3):765-768. doi: 10.1002/anie.201711108. Epub 2017 Dec 12. PMID: 29141119.
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Indole Synthesis via Cobalt(III)-Catalyzed Oxidative Coupling of N-Arylureas and Internal Alkynes.

Organic letters

Zhang ZZ, Liu B, Xu JW, Yan SY, Shi BF.
PMID: 27023432
Org Lett. 2016 Apr 15;18(8):1776-9. doi: 10.1021/acs.orglett.6b00494. Epub 2016 Mar 29.

A mild Co(III)-catalyzed oxidative annulation of N-arylureas and internal alkynes has been developed. The use of less electrophilic ureas other than acetamides as directing groups is crucial for the reaction. A broad range of synthetically useful functional groups are...

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Zhang ZZ, Liu B, Xu JW, et al. Indole Synthesis via Cobalt(III)-Catalyzed Oxidative Coupling of N-Arylureas and Internal Alkynes. Org Lett. 2016;18(8):1776-9doi: 10.1021/acs.orglett.6b00494.
Zhang, Z. Z., Liu, B., Xu, J. W., Yan, S. Y., & Shi, B. F. (2016). Indole Synthesis via Cobalt(III)-Catalyzed Oxidative Coupling of N-Arylureas and Internal Alkynes. Organic letters, 18(8), 1776-9. https://doi.org/10.1021/acs.orglett.6b00494
Zhang, Zhuo-Zhuo, et al. "Indole Synthesis via Cobalt(III)-Catalyzed Oxidative Coupling of N-Arylureas and Internal Alkynes." Organic letters vol. 18,8 (2016): 1776-9. doi: https://doi.org/10.1021/acs.orglett.6b00494
Zhang ZZ, Liu B, Xu JW, Yan SY, Shi BF. Indole Synthesis via Cobalt(III)-Catalyzed Oxidative Coupling of N-Arylureas and Internal Alkynes. Org Lett. 2016 Apr 15;18(8):1776-9. doi: 10.1021/acs.orglett.6b00494. Epub 2016 Mar 29. PMID: 27023432.
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Synthesis of Acetamide Derivatives using S-MWCNT and S-MC as an Efficient Heterogeneous Catalysts.

Journal of nanoscience and nanotechnology

Minchitha KU, Hareesh HN, Nagaraju N, Kathyayini N.
PMID: 29768864
J Nanosci Nanotechnol. 2018 Jan 01;18(1):426-433. doi: 10.1166/jnn.2018.14563.

Sulphate modified multiwalled carbon nanotubes (S-MWCNT) and Mesoporous carbon (S-MC) catalysts were prepared by wet impregnation method. These materials were characterized by different analytical techniques such as Powder-XRD, BET surface area analysis, SEM-EDS and TEM analysis to evaluate their...

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Minchitha KU, Hareesh HN, Nagaraju N, et al. Synthesis of Acetamide Derivatives using S-MWCNT and S-MC as an Efficient Heterogeneous Catalysts. J Nanosci Nanotechnol. 2018;18(1):426-433doi: 10.1166/jnn.2018.14563.
Minchitha, K. U., Hareesh, H. N., Nagaraju, N., & Kathyayini, N. (2018). Synthesis of Acetamide Derivatives using S-MWCNT and S-MC as an Efficient Heterogeneous Catalysts. Journal of nanoscience and nanotechnology, 18(1), 426-433. https://doi.org/10.1166/jnn.2018.14563
Minchitha, K U, et al. "Synthesis of Acetamide Derivatives using S-MWCNT and S-MC as an Efficient Heterogeneous Catalysts." Journal of nanoscience and nanotechnology vol. 18,1 (2018): 426-433. doi: https://doi.org/10.1166/jnn.2018.14563
Minchitha KU, Hareesh HN, Nagaraju N, Kathyayini N. Synthesis of Acetamide Derivatives using S-MWCNT and S-MC as an Efficient Heterogeneous Catalysts. J Nanosci Nanotechnol. 2018 Jan 01;18(1):426-433. doi: 10.1166/jnn.2018.14563. PMID: 29768864.
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Evaluation of Novel α-(Acyloxy)-α-(Quinolin-4-yl) Acetamides as Antiplasmodial Agents.

Iranian journal of pharmaceutical research : IJPR

Ramazani A, Khosravani B, Taran J, Ramazani A.
PMID: 29201083
Iran J Pharm Res. 2017;16(3):924-928.

Because of expanding resistance to efficient and affordable antimalarial drugs like chloroquine, the search is continuing for more effective drugs against this disease.

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Ramazani A, Khosravani B, Taran J, et al. Evaluation of Novel α-(Acyloxy)-α-(Quinolin-4-yl) Acetamides as Antiplasmodial Agents. Iran J Pharm Res. 2017;16(3):924-928
Ramazani, A., Khosravani, B., Taran, J., & Ramazani, A. (2017). Evaluation of Novel α-(Acyloxy)-α-(Quinolin-4-yl) Acetamides as Antiplasmodial Agents. Iranian journal of pharmaceutical research : IJPR, 16(3), 924-928.
Ramazani, Ali, et al. "Evaluation of Novel α-(Acyloxy)-α-(Quinolin-4-yl) Acetamides as Antiplasmodial Agents." Iranian journal of pharmaceutical research : IJPR vol. 16,3 (2017): 924-928.
Ramazani A, Khosravani B, Taran J, Ramazani A. Evaluation of Novel α-(Acyloxy)-α-(Quinolin-4-yl) Acetamides as Antiplasmodial Agents. Iran J Pharm Res. 2017;16(3):924-928. PMID: 29201083; PMCID: PMC5610748.
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Free and bound aroma compounds characterization by GC-MS of Negroamaro wine as affected by soil management.

Journal of mass spectrometry : JMS

Toci AT, Crupi P, Gambacorta G, Dipalmo T, Antonacci D, Coletta A.
PMID: 22972778
J Mass Spectrom. 2012 Sep;47(9):1104-12. doi: 10.1002/jms.3045.

Negroamaro is an autochthonous wine grape variety of Southern Italy, which is becoming very important for the Italian wine market. The wine aroma is primary affected by the chemical composition of grapes, which can be influenced also by agronomic...

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Toci AT, Crupi P, Gambacorta G, et al. Free and bound aroma compounds characterization by GC-MS of Negroamaro wine as affected by soil management. J Mass Spectrom. 2012;47(9):1104-12doi: 10.1002/jms.3045.
Toci, A. T., Crupi, P., Gambacorta, G., Dipalmo, T., Antonacci, D., & Coletta, A. (2012). Free and bound aroma compounds characterization by GC-MS of Negroamaro wine as affected by soil management. Journal of mass spectrometry : JMS, 47(9), 1104-12. https://doi.org/10.1002/jms.3045
Toci, Aline T, et al. "Free and bound aroma compounds characterization by GC-MS of Negroamaro wine as affected by soil management." Journal of mass spectrometry : JMS vol. 47,9 (2012): 1104-12. doi: https://doi.org/10.1002/jms.3045
Toci AT, Crupi P, Gambacorta G, Dipalmo T, Antonacci D, Coletta A. Free and bound aroma compounds characterization by GC-MS of Negroamaro wine as affected by soil management. J Mass Spectrom. 2012 Sep;47(9):1104-12. doi: 10.1002/jms.3045. PMID: 22972778.
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Synthetic approaches to multifunctional indenes.

Beilstein journal of organic chemistry

Mesquida N, López-Pérez S, Dinarès I, Alcalde E.
PMID: 22238553
Beilstein J Org Chem. 2011;7:1739-44. doi: 10.3762/bjoc.7.204. Epub 2011 Dec 29.

The synthesis of multifunctional indenes with at least two different functional groups has not yet been extensively explored. Among the plausible synthetic routes to 3,5-disubstituted indenes bearing two different functional groups, such as the [3-(aminoethyl)inden-5-yl)]amines, a reasonable pathway involves...

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Mesquida N, López-Pérez S, Dinarès I, et al. Synthetic approaches to multifunctional indenes. Beilstein J Org Chem. 2011;7:1739-44doi: 10.3762/bjoc.7.204.
Mesquida, N., López-Pérez, S., Dinarès, I., & Alcalde, E. (2011). Synthetic approaches to multifunctional indenes. Beilstein journal of organic chemistry, 71739-44. https://doi.org/10.3762/bjoc.7.204
Mesquida, Neus, et al. "Synthetic approaches to multifunctional indenes." Beilstein journal of organic chemistry vol. 7 (2011): 1739-44. doi: https://doi.org/10.3762/bjoc.7.204
Mesquida N, López-Pérez S, Dinarès I, Alcalde E. Synthetic approaches to multifunctional indenes. Beilstein J Org Chem. 2011;7:1739-44. doi: 10.3762/bjoc.7.204. Epub 2011 Dec 29. PMID: 22238553; PMCID: PMC3252879.
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The first Pummerer cyclisations on solid phase. Convenient construction of oxindoles enabled by a sulfur-link to resin.

Chemical communications (Cambridge, England)

McAllister LA, Brand S, de Gentile R, Procter DJ.
PMID: 14518924
Chem Commun (Camb). 2003 Sep 21;(18):2380-1. doi: 10.1039/b307586a.

Alpha-sulfanyl N-aryl acetamides, attached to resin via the sulfur atom, undergo efficient Pummerer cyclisation upon activation of the sulfur link, to give oxindoles; heterocyclic products can be cleaved from the resin in a traceless manner using samarium(II) iodide.

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McAllister LA, Brand S, de Gentile R, et al. The first Pummerer cyclisations on solid phase. Convenient construction of oxindoles enabled by a sulfur-link to resin. Chem Commun (Camb). 2003;(18):2380-1doi: 10.1039/b307586a.
McAllister, L. A., Brand, S., de Gentile, R., & Procter, D. J. (2003). The first Pummerer cyclisations on solid phase. Convenient construction of oxindoles enabled by a sulfur-link to resin. Chemical communications (Cambridge, England), (18), 2380-1. https://doi.org/10.1039/b307586a
McAllister, Laura A, et al. "The first Pummerer cyclisations on solid phase. Convenient construction of oxindoles enabled by a sulfur-link to resin." Chemical communications (Cambridge, England) vol. ,18 (2003): 2380-1. doi: https://doi.org/10.1039/b307586a
McAllister LA, Brand S, de Gentile R, Procter DJ. The first Pummerer cyclisations on solid phase. Convenient construction of oxindoles enabled by a sulfur-link to resin. Chem Commun (Camb). 2003 Sep 21;(18):2380-1. doi: 10.1039/b307586a. PMID: 14518924.
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Hydrogen-bonding patterns in three substituted N-benzyl-N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)acetamides.

Acta crystallographica. Section C, Crystal structure communications

López G, Jaramillo LM, Abonia R, Cobo J, Glidewell C.
PMID: 20354301
Acta Crystallogr C. 2010 Apr;66:o168-73. doi: 10.1107/S0108270110006244. Epub 2010 Mar 06.

The molecules of N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)-2-chloro-N-(4-methoxybenzyl)acetamide, C(23)H(26)ClN(3)O(2), are linked into a chain of edge-fused centrosymmetric rings by a combination of one C-H...O hydrogen bond and one C-H...pi(arene) hydrogen bond. In N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)-2-chloro-N-(4-chlorobenzyl)acetamide, C(22)H(23)Cl(2)N(3)O, a combination of one C-H...O hydrogen bond and two...

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López G, Jaramillo LM, Abonia R, et al. Hydrogen-bonding patterns in three substituted N-benzyl-N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)acetamides. Acta Crystallogr C. 2010;66:o168-73doi: 10.1107/S0108270110006244.
López, G., Jaramillo, L. M., Abonia, R., Cobo, J., & Glidewell, C. (2010). Hydrogen-bonding patterns in three substituted N-benzyl-N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)acetamides. Acta crystallographica. Section C, Crystal structure communications, 66o168-73. https://doi.org/10.1107/S0108270110006244
López, Gerson, et al. "Hydrogen-bonding patterns in three substituted N-benzyl-N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)acetamides." Acta crystallographica. Section C, Crystal structure communications vol. 66 (2010): o168-73. doi: https://doi.org/10.1107/S0108270110006244
López G, Jaramillo LM, Abonia R, Cobo J, Glidewell C. Hydrogen-bonding patterns in three substituted N-benzyl-N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)acetamides. Acta Crystallogr C. 2010 Apr;66:o168-73. doi: 10.1107/S0108270110006244. Epub 2010 Mar 06. PMID: 20354301.
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Showing 25 to 36 of 115 entries