Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Velusamy Sethuraman"'
Publikováno v:
IUCrData, Vol 5, Iss 2, p x200143 (2020)
In the title compound, C21H20BrNO4S, a key intermediate in the synthesis of the widely used β-lactamase inhibitor tazobactam, the five-membered thiazolidine ring adopts an envelope conformation and the four-membered azetidine ring is in a distorted
Externí odkaz:
https://doaj.org/article/dc07b3d85ada4c53b845ff34e34f3ff8
Publikováno v:
IUCrData, Vol 5, Iss 1, p x200011 (2020)
In the title compound, C12H9ClN2O, the dihedral angle between the aromatic rings is 1.78 (4)° and an intramolecular O—H...N hydrogen bond closes an S(6) ring. In the crystal, C—H...O and C—H...N hydrogen bonds connect the molecules into [001]
Externí odkaz:
https://doaj.org/article/ba04747129174b2f95825882a3809428
Autor:
Sundaramoorthy Gomathi, Udhayasuriyan Sathya, Sadasivam Sharmila Tagore, Jeyaraman Selvaraj Nirmal Ram, Devakumar Manikandan, Velusamy Sethuraman, Colin McMillen
Publikováno v:
IUCrData, Vol 4, Iss 4, p x190376 (2019)
The complete molecule of the title compound [systematic name: 2,2′-(5-methyl-1,3-phenylene)bis(2-methylpropanenitrile)] is generated by a crystallographic twofold axis, which leads to disorder of the H atoms on the methyl group attached to the benz
Externí odkaz:
https://doaj.org/article/618b286605f6496a8793fbd4fba05ced
Autor:
Devakumar Manikandan, Sundaramoorthy Gomathi, Jeyaraman Selvaraj Nirmalram, Sadasivam Sharmila Tagore, Velusamy Sethuraman, Joseph Agim, Ray Butcher
Publikováno v:
IUCrData, Vol 2, Iss 9, p x171132 (2017)
In the paper by Manikandan et al. [IUCrData (2017). 2, x170376], a proton on the indole N was missed in the structure solution. The proton is now added and the changes are reported here. The title, scheme, Figs. 1 and 2, the hydrogen-bonding table, t
Externí odkaz:
https://doaj.org/article/eeaffb9f77c8464da045bdf1b73b40e5
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 5, Pp 476-478 (2015)
In the title salt, C4H7N4O+·C7H7O3S−, the 2,6-diamino-4-oxo-1,3-dihydropyrimidin-1-ium cation interacts with the sulfonate group of the p-toluenesulfonate anion via a pair of N—H...O hydrogen bonds, forming a hetero-synthon R22(8) that mimics th
Externí odkaz:
https://doaj.org/article/d68169ab30194f5db7b83071eb7c4ae1
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 2, Pp o224-o224 (2014)
In the crystal structure of the title zwitterion, C5H11N5S, molecules are linked via N—H...N hydrogen bonds, forming zigzag chains propagating along [010]. The chains are linked by C—H...S hydrogen bonds, forming two dimensional networks lying pa
Externí odkaz:
https://doaj.org/article/e3ba4d2378954b5fa937fb5056a62c32
Publikováno v:
Asian Journal of Chemistry. 28:429-434