Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Xiao-Li Zhen"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1516-o1516 (2012)
In the title compound, C10H14NO4+·Cl−, the benzene ring makes a dihedral angle of 64.68 (4)° with the methylaminopropanoate unit, which is bonded to the catechol ring via a methylene C atom. A strong intramolecular O—H...O hydrogen bond occurs.
Externí odkaz:
https://doaj.org/article/7b9b71d676bf40a7952b3d39d9af1b45
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1482-o1482 (2011)
In the title compound, C22H20N+·Cl−, the anthracene system makes a dihedral angle of 72.65 (4)° with the benzene ring. The C—N—C—C torsion angles in the chain connecting the benzene ring and anthracene system are 52.24 (15) and −170.73 (1
Externí odkaz:
https://doaj.org/article/629aa95bc7aa46a5a40dca6e1bffc06b
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 6, Pp o1384-o1384 (2010)
In the title compound, C15H20O7, the benzene ring makes dihedral angles of 69.17 (5) and 80.81 (4)° with the two side chains of malonate. The two malonate side chains comprising C/C/O/C atoms are oriented at right angles [86.26 (6)°] with respect t
Externí odkaz:
https://doaj.org/article/663622a560f54cf3b1335039c78ec9b3
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 6, Pp o1383-o1383 (2010)
In the title compound, C15H15NO4, the quinoline ring system and one of the malonate side chains are essentially coplanar (r.m.s. deviation = 0.0297 Å). The two malonate C—C(=O)—O—CH3 side chains are oriented at right angles [89.68 (8)°] with
Externí odkaz:
https://doaj.org/article/ab5b3516e5494323b5d0bb924dffe2c5
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 8, Pp o1792-o1792 (2009)
In the title compound, C25H23N3O5S, the central 1,3,4-oxadiazole ring makes dihedral angles of 35.05 (7), 23.68 (7) and 82.55 (8)°, with the three benzene rings. In the crystal structure, the packing is stabilized by weak non-classical intermolecula
Externí odkaz:
https://doaj.org/article/dba0c103fb2b44fa8dc67a891132fb2f
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 8, Pp o2010-o2010 (2009)
In the title compound, C20H22N2O5, the central 1,3,4-oxadiazole ring is essentially planar [r.m.s. deviation from the best plane of 0.0011 Å] and makes dihedral angles of 4.10 (3) and 13.32 (4)° with the two benzene rings. In the crystal structure,
Externí odkaz:
https://doaj.org/article/d00e448f2d754b808dc181c3520e06d8
Autor:
Xiao-Li Zhen, Xiao-Liu Li
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 11, Pp o2170-o2170 (2008)
In the title compound, C20H15ClN4O7S·4CH3COOH, the central o-vanillin group makes dihedral angles of 9.50 (11) and 42.86 (7)°, respectively, with its attached pyridine and nitrobenzene rings. The crystal packing is stabilized by N—H...O, O—H...
Externí odkaz:
https://doaj.org/article/d8db634c153c460f955e742cedd4c9ca
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 11, Pp o2245-o2245 (2008)
In the title compound, C25H22N4O4, the central benzene ring, makes dihedral angles of 74.35 (6), 17.01 (8) and 62.19 (7)°, respectively, with the nitrobenzyl ring, the pyrazolone ring and the terminal phenyl ring. Intermolecular C—H...O hydrogen b
Externí odkaz:
https://doaj.org/article/5df2ad48601d4827a7270cb4478d4655
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 11, Pp o2244-o2244 (2008)
In the title compound, C24H20BrN3O4S, the central benzene ring makes dihedral angles of 17.13 (13), 39.83 (13) and 58.37 (13)°, respectively, with the pyrazolone ring, the bromobenzene ring and the terminal phenyl ring. In the crystal structure, the
Externí odkaz:
https://doaj.org/article/2ccd9da4065248b19aab01d62a93fdee
Autor:
Yu-Kun Zhang, Wei Su, Fan Shiming, Xia Tian, Jian-Rong Han, Rui-Xiao Qiao, Ting-Ting Wang, Ya-Xin You, Shouxin Liu, Xiao-Li Zhen, Qiushi Cheng
Publikováno v:
Organic Letters. 23:9094-9099
Iron-catalyzed direct SN2' dehydroxyboration of allylic alcohols has been developed to access (E)-stereoselective allylboronates. Allylic alcohols with diverse structures and functional groups, especially derived from natural products, underwent smoo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93ab70f1c09d2b8c7e93a241471041ea
https://doi.org/10.1021/acs.orglett.1c03359
https://doi.org/10.1021/acs.orglett.1c03359