Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Hai-yan Tian"'
Autor:
Cai Hong Koh, Jianjun Wu, Ying Ying Chung, Zhenfeng Liu, Rong-Rong Zhang, Ketpin Chong, Vladimir Korzh, Sherwin Ting, Steve Oh, Winston Shim, Hai-Yan Tian, Heming Wei
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Abstract The current study explored the Na+/K+-ATPase (NKA) inhibition-independent proarrhythmic mechanisms of cardiac glycosides (CGs) which are well-known NKA inhibitors. With the cytosolic Ca2+ chelated by EGTA and BAPTA or extracellular Ca2+ repl
Externí odkaz:
https://doaj.org/article/264c50ca7b3246abb2da30023aced565
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 6, Pp o651-o652 (2014)
The title compound, C24H33NO4·H2O, the reaction product of deacetylcinobufagin with ammonium acetate, consists of three cyclohexane rings (A, B and C), one five-membered ring (D), one six-membered lactone ring (E) and an epoxide ring (F). The stereo
Externí odkaz:
https://doaj.org/article/a642526615de4921908b407c45406837
Autor:
Zhe-Rui Zhang, Jin-Hang Li, Shang Li, Ai-Lin Liu, Pui-Man Hoi, Hai-Yan Tian, Wen-Cai Ye, Simon Ming-Yuen Lee, Ren-Wang Jiang
Publikováno v:
PLoS ONE, Vol 9, Iss 7, p e100416 (2014)
Natural products present in low quantity in herb medicines constitute an important source of chemical diversity. However, the isolation of sufficient amounts of these low abundant constituents for structural modification has been a challenge for seve
Externí odkaz:
https://doaj.org/article/f0bc22356ed64da581d004a5803c9943
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp o1369-o1370 (2013)
The title compound, C22H29NO4, a stemona alkaloid, is composed of two lactone rings (A and E), a six-membered ring (B), a pyrrole ring (C) and a seven-membered ring (D). The five-membered rings A and E exhibit envelope conformations (C atoms as flaps
Externí odkaz:
https://doaj.org/article/083c98b91f55443188c35a66180c2a84
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1592-o1593 (2012)
The title compound, C26H32O11, is composed of an α,β-unsaturated cyclohexanone ring (A), two cyclohexane rings (B and C), a six-membered lactone ring (D) and tetrahydrofuran ring (E). Ring A exists in a half-chair conformation with a C atom displac
Externí odkaz:
https://doaj.org/article/3b1acaf86f6d4ce9ab6c2d32f3a1616b
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1959-o1959 (2012)
In the title compound, C11H9N3O, the quinazoline unit is almost planar, with a mean deviation of 0.006 (1) Å from the least-squares plane defined by the ten constituent atoms. In the crystal, molecules are linked by weak C—H...N hydrogen bonds.
Externí odkaz:
https://doaj.org/article/a2b20b575dd24c27a6cf89c7bf99473c
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1614-o1615 (2012)
The title compound, C24H30O5, is the didehydro product of the steroid hellebrigenin (systematic name: 3β,5,14-trihydroxy-19-oxo-5β-bufa-20,22-dienolide). It consists of three cyclohexane rings (A, B and C), a five-membered ring (D) and a six-member
Externí odkaz:
https://doaj.org/article/f502d8ea99d240979fa322acbbc9e0ff
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp o682-o682 (2012)
The title compound, C26H37NO5, was the reaction product of hellebrigenin with N,N-dimethylformamide. It consists of three cyclohexane rings (A, B and C), one five-membered ring (D) and one dihydropyran ring (E). The stereochemistry of the ring juncti
Externí odkaz:
https://doaj.org/article/be0b0367c2064f9b992d3beec908cf1e
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp m185-m186 (2012)
In the crystal structure of the title compound, [Ag(NO3)(C15H8N2O2)2], tryptanthrin (indolo[2,1-b]quinazoline-6,12-dione) and silver nitrate form a 2:1 complex. The silver ion is surrounded by two tryptanthrin ligands, each coordinating through the N
Externí odkaz:
https://doaj.org/article/56160c86163745bba0e78f5b7ec147db
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o305-o305 (2012)
The title compound, C19H21N3O, was isolated from the fruits of Evodia rutaecarpa. The indole and benzene rings are both essentially planar with mean derivations of 0.0094 (4) Å and 0.0077 (3) Å, respectively. The dihedral angle between these two pl
Externí odkaz:
https://doaj.org/article/6e53dc06262346a281e0b952087f3426