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One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles via [2 + 2 + 1] Cycloannulation of 1,3-Bishet(aryl)-monothio-1,3-diketones, α-Substituted Methylamines and Sodium Nitrite through α-Nitrosation of Enaminones.

The Journal of organic chemistry

Yugandar S, Konda S, Parameshwarappa G, Ila H.
PMID: 27194455
J Org Chem. 2016 Jul 01;81(13):5606-22. doi: 10.1021/acs.joc.6b00938. Epub 2016 Jun 10.

An efficient one-pot synthesis of a series of diversely functionalized trisubstituted 4(5)het(aroyl)-2,5(4)-het(aryl)/alkylimidazoles from readily available 1,3-bishet(aryl)monothio-1,3-diketones has been reported. This novel sequential one-pot, three step protocol, wherein three new carbon nitrogen bonds are formed in contiguous fashion, involves in...

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Yugandar S, Konda S, Parameshwarappa G, et al. One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles via [2 + 2 + 1] Cycloannulation of 1,3-Bishet(aryl)-monothio-1,3-diketones, α-Substituted Methylamines and Sodium Nitrite through α-Nitrosation of Enaminones. J Org Chem. 2016;81(13):5606-22doi: 10.1021/acs.joc.6b00938.
Yugandar, S., Konda, S., Parameshwarappa, G., & Ila, H. (2016). One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles via [2 + 2 + 1] Cycloannulation of 1,3-Bishet(aryl)-monothio-1,3-diketones, α-Substituted Methylamines and Sodium Nitrite through α-Nitrosation of Enaminones. The Journal of organic chemistry, 81(13), 5606-22. https://doi.org/10.1021/acs.joc.6b00938
Yugandar, S, et al. "One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles via [2 + 2 + 1] Cycloannulation of 1,3-Bishet(aryl)-monothio-1,3-diketones, α-Substituted Methylamines and Sodium Nitrite through α-Nitrosation of Enaminones." The Journal of organic chemistry vol. 81,13 (2016): 5606-22. doi: https://doi.org/10.1021/acs.joc.6b00938
Yugandar S, Konda S, Parameshwarappa G, Ila H. One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles via [2 + 2 + 1] Cycloannulation of 1,3-Bishet(aryl)-monothio-1,3-diketones, α-Substituted Methylamines and Sodium Nitrite through α-Nitrosation of Enaminones. J Org Chem. 2016 Jul 01;81(13):5606-22. doi: 10.1021/acs.joc.6b00938. Epub 2016 Jun 10. PMID: 27194455.
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Site-Selective Carbonylative Synthesis of Structurally Diverse Lactams from Heterocyclic Amines with TFBen as the CO Source.

The Journal of organic chemistry

Ying J, Gao Q, Wu XF.
PMID: 31589044
J Org Chem. 2019 Nov 01;84(21):14297-14305. doi: 10.1021/acs.joc.9b02114. Epub 2019 Oct 15.

A palladium-catalyzed site-selective C-H carbonylation of heterocyclic amines for the synthesis of lactam motifs has been developed. The reaction of 3-thiophene methylamines, 2-thiophene methylamines, and tryptamines with benzene-1,3,5-triyl triformate (TFBen) as the CO source provides a series of structurally...

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Ying J, Gao Q, Wu XF. Site-Selective Carbonylative Synthesis of Structurally Diverse Lactams from Heterocyclic Amines with TFBen as the CO Source. J Org Chem. 2019;84(21):14297-14305doi: 10.1021/acs.joc.9b02114.
Ying, J., Gao, Q., & Wu, X. F. (2019). Site-Selective Carbonylative Synthesis of Structurally Diverse Lactams from Heterocyclic Amines with TFBen as the CO Source. The Journal of organic chemistry, 84(21), 14297-14305. https://doi.org/10.1021/acs.joc.9b02114
Ying, Jun, et al. "Site-Selective Carbonylative Synthesis of Structurally Diverse Lactams from Heterocyclic Amines with TFBen as the CO Source." The Journal of organic chemistry vol. 84,21 (2019): 14297-14305. doi: https://doi.org/10.1021/acs.joc.9b02114
Ying J, Gao Q, Wu XF. Site-Selective Carbonylative Synthesis of Structurally Diverse Lactams from Heterocyclic Amines with TFBen as the CO Source. J Org Chem. 2019 Nov 01;84(21):14297-14305. doi: 10.1021/acs.joc.9b02114. Epub 2019 Oct 15. PMID: 31589044.
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Selective reduction of formamides to O-silylated hemiaminals or methylamines with HSiMe.

Dalton transactions (Cambridge, England : 2003)

Guzmán J, Bernal AM, García-Orduña P, Lahoz FJ, Oro LA, Fernández-Alvarez FJ.
PMID: 30847452
Dalton Trans. 2019 Mar 26;48(13):4255-4262. doi: 10.1039/c8dt05070h.

The reaction of (4-methyl-pyridin-2-iloxy)ditertbutylsilane (NSitBu-H, 1) with [IrCl(coe)2]2 affords the iridium(iii) complex [Ir(H)(Cl)(κ2-NSitBu)(coe)] (2), which has been fully characterized including X-ray diffraction studies. The reaction of 2 with AgCF3SO3 leads to the formation of species [Ir(H)(CF3SO3)(κ2-NSitBu)(coe)] (3). The iridium...

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Guzmán J, Bernal AM, García-Orduña P, et al. Selective reduction of formamides to O-silylated hemiaminals or methylamines with HSiMe. Dalton Trans. 2019;48(13):4255-4262doi: 10.1039/c8dt05070h.
Guzmán, J., Bernal, A. M., García-Orduña, P., Lahoz, F. J., Oro, L. A., & Fernández-Alvarez, F. J. (2019). Selective reduction of formamides to O-silylated hemiaminals or methylamines with HSiMe. Dalton transactions (Cambridge, England : 2003), 48(13), 4255-4262. https://doi.org/10.1039/c8dt05070h
Guzmán, Jefferson, et al. "Selective reduction of formamides to O-silylated hemiaminals or methylamines with HSiMe." Dalton transactions (Cambridge, England : 2003) vol. 48,13 (2019): 4255-4262. doi: https://doi.org/10.1039/c8dt05070h
Guzmán J, Bernal AM, García-Orduña P, Lahoz FJ, Oro LA, Fernández-Alvarez FJ. Selective reduction of formamides to O-silylated hemiaminals or methylamines with HSiMe. Dalton Trans. 2019 Mar 26;48(13):4255-4262. doi: 10.1039/c8dt05070h. PMID: 30847452.
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Data on the role of accessible surface area on osmolytes-induced protein stabilization.

Data in brief

Rahman S, Ali SA, Islam A, Hassan MI, Ahmad F.
PMID: 27942568
Data Brief. 2016 Nov 23;10:47-56. doi: 10.1016/j.dib.2016.11.055. eCollection 2017 Feb.

This paper describes data related to the research article "Testing the dependence of stabilizing effect of osmolytes on the fractional increase in the accessible surface area on thermal and chemical denaturations of proteins" [1]. Heat- and guanidinium chloride (GdmCl)-induced...

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Rahman S, Ali SA, Islam A, et al. Data on the role of accessible surface area on osmolytes-induced protein stabilization. Data Brief. 2016;10:47-56doi: 10.1016/j.dib.2016.11.055.
Rahman, S., Ali, S. A., Islam, A., Hassan, M. I., & Ahmad, F. (2017). Data on the role of accessible surface area on osmolytes-induced protein stabilization. Data in brief, 1047-56. https://doi.org/10.1016/j.dib.2016.11.055
Rahman, Safikur, et al. "Data on the role of accessible surface area on osmolytes-induced protein stabilization." Data in brief vol. 10 (2017): 47-56. doi: https://doi.org/10.1016/j.dib.2016.11.055
Rahman S, Ali SA, Islam A, Hassan MI, Ahmad F. Data on the role of accessible surface area on osmolytes-induced protein stabilization. Data Brief. 2016 Nov 23;10:47-56. doi: 10.1016/j.dib.2016.11.055. eCollection 2017 Feb. PMID: 27942568; PMCID: PMC5137338.
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Isolation and characterization of an h(2)-oxidizing thermophilic methanogen.

Applied and environmental microbiology

Ferguson TJ, Mah RA.
PMID: 16346171
Appl Environ Microbiol. 1983 Jan;45(1):265-74. doi: 10.1128/aem.45.1.265-274.1983.

A thermophilic methanogen was isolated from enrichment cultures originally inoculated with sludge from an anaerobic kelp digester (55 degrees C). This isolate exhibited a temperature optimum of 55 to 60 degrees C and a maximum near 70 degrees C....

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Ferguson TJ, Mah RA. Isolation and characterization of an h(2)-oxidizing thermophilic methanogen. Appl Environ Microbiol. 1983;45(1):265-74doi: 10.1128/aem.45.1.265-274.1983.
Ferguson, T. J., & Mah, R. A. (1983). Isolation and characterization of an h(2)-oxidizing thermophilic methanogen. Applied and environmental microbiology, 45(1), 265-74. https://doi.org/10.1128/aem.45.1.265-274.1983
Ferguson, T J, and Mah, R A. "Isolation and characterization of an h(2)-oxidizing thermophilic methanogen." Applied and environmental microbiology vol. 45,1 (1983): 265-74. doi: https://doi.org/10.1128/aem.45.1.265-274.1983
Ferguson TJ, Mah RA. Isolation and characterization of an h(2)-oxidizing thermophilic methanogen. Appl Environ Microbiol. 1983 Jan;45(1):265-74. doi: 10.1128/aem.45.1.265-274.1983. PMID: 16346171; PMCID: PMC242264.
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On the reactivity of surface methoxy species in acidic zeolites.

Journal of the American Chemical Society

Jiang Y, Hunger M, Wang W.
PMID: 16939294
J Am Chem Soc. 2006 Sep 06;128(35):11679-92. doi: 10.1021/ja061018y.

The in situ preparation and isolation of surface methoxy species on acidic zeolites are followed by further investigations of their reactivity in heterogeneously catalyzed reactions. For the first time, the following solid-state NMR evidence for the high reactivity of...

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Jiang Y, Hunger M, Wang W. On the reactivity of surface methoxy species in acidic zeolites. J Am Chem Soc. 2006;128(35):11679-92doi: 10.1021/ja061018y.
Jiang, Y., Hunger, M., & Wang, W. (2006). On the reactivity of surface methoxy species in acidic zeolites. Journal of the American Chemical Society, 128(35), 11679-92. https://doi.org/10.1021/ja061018y
Jiang, Yijiao, et al. "On the reactivity of surface methoxy species in acidic zeolites." Journal of the American Chemical Society vol. 128,35 (2006): 11679-92. doi: https://doi.org/10.1021/ja061018y
Jiang Y, Hunger M, Wang W. On the reactivity of surface methoxy species in acidic zeolites. J Am Chem Soc. 2006 Sep 06;128(35):11679-92. doi: 10.1021/ja061018y. PMID: 16939294.
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Palladium-catalyzed oxidation of Boc-protected N-methylamines with IOAc as the oxidant: a Boc-directed sp3 C-H bond activation.

Organic letters

Wang DH, Hao XS, Wu DF, Yu JQ.
PMID: 16836412
Org Lett. 2006 Jul 20;8(15):3387-90. doi: 10.1021/ol061384m.

[Structure: see text] Pd-catalyzed selective oxidation of Boc-protected N-methylamines with IOAc as the oxidant is described. Evidence for the involvement of a Boc-directed C-H activation process is provided.

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Wang DH, Hao XS, Wu DF, et al. Palladium-catalyzed oxidation of Boc-protected N-methylamines with IOAc as the oxidant: a Boc-directed sp3 C-H bond activation. Org Lett. 2006;8(15):3387-90doi: 10.1021/ol061384m.
Wang, D. H., Hao, X. S., Wu, D. F., & Yu, J. Q. (2006). Palladium-catalyzed oxidation of Boc-protected N-methylamines with IOAc as the oxidant: a Boc-directed sp3 C-H bond activation. Organic letters, 8(15), 3387-90. https://doi.org/10.1021/ol061384m
Wang, Dong-Hui, et al. "Palladium-catalyzed oxidation of Boc-protected N-methylamines with IOAc as the oxidant: a Boc-directed sp3 C-H bond activation." Organic letters vol. 8,15 (2006): 3387-90. doi: https://doi.org/10.1021/ol061384m
Wang DH, Hao XS, Wu DF, Yu JQ. Palladium-catalyzed oxidation of Boc-protected N-methylamines with IOAc as the oxidant: a Boc-directed sp3 C-H bond activation. Org Lett. 2006 Jul 20;8(15):3387-90. doi: 10.1021/ol061384m. PMID: 16836412.
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Branching Ratios and Vibrational Distributions in Water-Forming Reactions of OH and OD Radicals with Methylamines.

The journal of physical chemistry. A

Butkovskaya NI, Setser DW.
PMID: 27504785
J Phys Chem A. 2016 Sep 01;120(34):6698-711. doi: 10.1021/acs.jpca.6b06411. Epub 2016 Aug 23.

Reactions of OH and OD radicals with (CH3)3N, (CH3)2NH, and CH3NH2 were studied by Fourier transform infrared emission spectroscopy (FTIR) of the water product molecules from a fast-flow reactor at 298 K. The rate constants (4.4 ± 0.5) ×...

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Butkovskaya NI, Setser DW. Branching Ratios and Vibrational Distributions in Water-Forming Reactions of OH and OD Radicals with Methylamines. J Phys Chem A. 2016;120(34):6698-711doi: 10.1021/acs.jpca.6b06411.
Butkovskaya, N. I., & Setser, D. W. (2016). Branching Ratios and Vibrational Distributions in Water-Forming Reactions of OH and OD Radicals with Methylamines. The journal of physical chemistry. A, 120(34), 6698-711. https://doi.org/10.1021/acs.jpca.6b06411
Butkovskaya, N I, and Setser, D W. "Branching Ratios and Vibrational Distributions in Water-Forming Reactions of OH and OD Radicals with Methylamines." The journal of physical chemistry. A vol. 120,34 (2016): 6698-711. doi: https://doi.org/10.1021/acs.jpca.6b06411
Butkovskaya NI, Setser DW. Branching Ratios and Vibrational Distributions in Water-Forming Reactions of OH and OD Radicals with Methylamines. J Phys Chem A. 2016 Sep 01;120(34):6698-711. doi: 10.1021/acs.jpca.6b06411. Epub 2016 Aug 23. PMID: 27504785.
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Ruthenium-Catalyzed Enantioselective C-H Functionalization: A Practical Access to Optically Active Indoline Derivatives.

Journal of the American Chemical Society

Li ZY, Lakmal HHC, Qian X, Zhu Z, Donnadieu B, McClain SJ, Xu X, Cui X.
PMID: 31536341
J Am Chem Soc. 2019 Oct 09;141(40):15730-15736. doi: 10.1021/jacs.9b07251. Epub 2019 Sep 26.

Ru(II)-catalyzed enantioselective C-H activation/hydroarylation has been developed for the first time, allowing for highly enantioselective synthesis of indoline derivatives via catalytic C-H activation. Commercially available Ru(II) arene complexes and chiral α-methylamines were employed as highly enantioselective catalysts. Based on...

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Li ZY, Lakmal HHC, Qian X, et al. Ruthenium-Catalyzed Enantioselective C-H Functionalization: A Practical Access to Optically Active Indoline Derivatives. J Am Chem Soc. 2019;141(40):15730-15736doi: 10.1021/jacs.9b07251.
Li, Z. Y., Lakmal, H. H. C., Qian, X., Zhu, Z., Donnadieu, B., McClain, S. J., Xu, X., & Cui, X. (2019). Ruthenium-Catalyzed Enantioselective C-H Functionalization: A Practical Access to Optically Active Indoline Derivatives. Journal of the American Chemical Society, 141(40), 15730-15736. https://doi.org/10.1021/jacs.9b07251
Li, Zhong-Yuan, et al. "Ruthenium-Catalyzed Enantioselective C-H Functionalization: A Practical Access to Optically Active Indoline Derivatives." Journal of the American Chemical Society vol. 141,40 (2019): 15730-15736. doi: https://doi.org/10.1021/jacs.9b07251
Li ZY, Lakmal HHC, Qian X, Zhu Z, Donnadieu B, McClain SJ, Xu X, Cui X. Ruthenium-Catalyzed Enantioselective C-H Functionalization: A Practical Access to Optically Active Indoline Derivatives. J Am Chem Soc. 2019 Oct 09;141(40):15730-15736. doi: 10.1021/jacs.9b07251. Epub 2019 Sep 26. PMID: 31536341.
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Selective synthesis of formamides, 1,2-bis(N-heterocyclic)ethanes and methylamines from cyclic amines and CO.

Chemical science

Li R, Zhao Y, Wang H, Xiang J, Wu Y, Yu B, Han B, Liu Z.
PMID: 32015804
Chem Sci. 2019 Sep 03;10(42):9822-9828. doi: 10.1039/c9sc03242h. eCollection 2019 Nov 14.

The reduction of CO

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Li R, Zhao Y, Wang H, et al. Selective synthesis of formamides, 1,2-bis(N-heterocyclic)ethanes and methylamines from cyclic amines and CO. Chem Sci. 2019;10(42):9822-9828doi: 10.1039/c9sc03242h.
Li, R., Zhao, Y., Wang, H., Xiang, J., Wu, Y., Yu, B., Han, B., & Liu, Z. (2019). Selective synthesis of formamides, 1,2-bis(N-heterocyclic)ethanes and methylamines from cyclic amines and CO. Chemical science, 10(42), 9822-9828. https://doi.org/10.1039/c9sc03242h
Li, Ruipeng, et al. "Selective synthesis of formamides, 1,2-bis(N-heterocyclic)ethanes and methylamines from cyclic amines and CO." Chemical science vol. 10,42 (2019): 9822-9828. doi: https://doi.org/10.1039/c9sc03242h
Li R, Zhao Y, Wang H, Xiang J, Wu Y, Yu B, Han B, Liu Z. Selective synthesis of formamides, 1,2-bis(N-heterocyclic)ethanes and methylamines from cyclic amines and CO. Chem Sci. 2019 Sep 03;10(42):9822-9828. doi: 10.1039/c9sc03242h. eCollection 2019 Nov 14. PMID: 32015804; PMCID: PMC6977556.
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Association of Trimethylamine, Trimethylamine N-oxide, and Dimethylamine with Cardiovascular Risk in Children with Chronic Kidney Disease.

Journal of clinical medicine

Hsu CN, Chang-Chien GP, Lin S, Hou CY, Lu PC, Tain YL.
PMID: 31991725
J Clin Med. 2020 Jan 25;9(2). doi: 10.3390/jcm9020336.

Chronic kidney disease (CKD) is associated with high risk for cardiovascular disease (CVD). Gut microbiota-dependent metabolites trimethylamine (TMA), trimethylamine N-oxide (TMAO), and dimethylamine (DMA) have been linked to CKD and CVD. We examined whether these methylamines are correlated with...

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Hsu CN, Chang-Chien GP, Lin S, et al. Association of Trimethylamine, Trimethylamine N-oxide, and Dimethylamine with Cardiovascular Risk in Children with Chronic Kidney Disease. J Clin Med. 2020;9(2)doi: 10.3390/jcm9020336.
Hsu, C. N., Chang-Chien, G. P., Lin, S., Hou, C. Y., Lu, P. C., & Tain, Y. L. (2020). Association of Trimethylamine, Trimethylamine N-oxide, and Dimethylamine with Cardiovascular Risk in Children with Chronic Kidney Disease. Journal of clinical medicine, 9(2), . https://doi.org/10.3390/jcm9020336
Hsu, Chien-Ning, et al. "Association of Trimethylamine, Trimethylamine N-oxide, and Dimethylamine with Cardiovascular Risk in Children with Chronic Kidney Disease." Journal of clinical medicine vol. 9,2 (2020). doi: https://doi.org/10.3390/jcm9020336
Hsu CN, Chang-Chien GP, Lin S, Hou CY, Lu PC, Tain YL. Association of Trimethylamine, Trimethylamine N-oxide, and Dimethylamine with Cardiovascular Risk in Children with Chronic Kidney Disease. J Clin Med. 2020 Jan 25;9(2). doi: 10.3390/jcm9020336. PMID: 31991725; PMCID: PMC7074377.
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Evidence of Interdomain Ammonium Cross-Feeding From Methylamine- and Glycine Betaine-Degrading .

Frontiers in microbiology

Zecher K, Hayes KR, Philipp B.
PMID: 33123096
Front Microbiol. 2020 Oct 06;11:533894. doi: 10.3389/fmicb.2020.533894. eCollection 2020.

Dissolved organic nitrogen (DON) compounds such as methylamines (MAs) and glycine betaine (GBT) occur at detectable concentrations in marine habitats and are also produced and released by microalgae. For many marine bacteria, these DON compounds can serve as carbon,...

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Zecher K, Hayes KR, Philipp B. Evidence of Interdomain Ammonium Cross-Feeding From Methylamine- and Glycine Betaine-Degrading . Front Microbiol. 2020;11:533894doi: 10.3389/fmicb.2020.533894.
Zecher, K., Hayes, K. R., & Philipp, B. (2020). Evidence of Interdomain Ammonium Cross-Feeding From Methylamine- and Glycine Betaine-Degrading . Frontiers in microbiology, 11533894. https://doi.org/10.3389/fmicb.2020.533894
Zecher, Karsten, et al. "Evidence of Interdomain Ammonium Cross-Feeding From Methylamine- and Glycine Betaine-Degrading ." Frontiers in microbiology vol. 11 (2020): 533894. doi: https://doi.org/10.3389/fmicb.2020.533894
Zecher K, Hayes KR, Philipp B. Evidence of Interdomain Ammonium Cross-Feeding From Methylamine- and Glycine Betaine-Degrading . Front Microbiol. 2020 Oct 06;11:533894. doi: 10.3389/fmicb.2020.533894. eCollection 2020. PMID: 33123096; PMCID: PMC7574528.
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Showing 13 to 24 of 52 entries