Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Zhang-gao Le"'
Publikováno v:
Green Chemistry Letters and Reviews, Vol 11, Iss 4, Pp 503-507 (2018)
Benzimidazoles are important components of pharmaceutical compounds owing to their promising bioactivities. The green, safe, and efficient synthesis of benzimidazoles has always been one of the hot topics for chemical workers. α-Chymotrypsin-catalyz
Externí odkaz:
https://doaj.org/article/631ff55010304afa83262792124f5f50
Publikováno v:
Molecules, Vol 19, Iss 12, Pp 19665-19677 (2014)
A mild and efficient method catalyzed by α-chymotrypsin was developed for the synthesis of bis(indolyl)methanes through a cascade process between indole and aromatic aldehydes. In the ethanol aqueous solution, a green medium, a wide range of aromati
Externí odkaz:
https://doaj.org/article/e930f999e54d485eb0e2155780e38cb9
Publikováno v:
Molecules, Vol 18, Iss 11, Pp 13910-13919 (2013)
An environmentally-friendly, enzyme-promoted procedure for the Henry reaction was first studied using water-in-[Bmim][PF6] microemulsions as reaction medium. The Amano acylase from Aspergillus oryzae showed better catalytic activity for the addition
Externí odkaz:
https://doaj.org/article/c86c06db7f1e432185229162257a1d25
Publikováno v:
Molecules, Vol 17, Iss 11, Pp 13368-13375 (2012)
One-pot synthesis of 2-phenylimidazo[1,2-α]pyridines from acetophenone, [Bmim]Br3 and 2-aminopyridine under solvent-free conditions in the presence of Na2CO3, gave the corresponding 2-phenylimidazo[1,2-α]pyridines in excellent yields ranging from 7
Externí odkaz:
https://doaj.org/article/ccc4d8d74f6742d48dc7cab0215d0def
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 534-538 (2012)
An environmentally benign, fast and convenient protocol has been developed for the Michael addition of 1,3-dicarbonyl compounds to β-nitroalkenes in good to excellent yields by a grinding method under catalyst- and solvent-free conditions.
Externí odkaz:
https://doaj.org/article/3df142168eea4da39a9d3afca0c29f07
Publikováno v:
Molecules, Vol 11, Iss 6, Pp 464-468 (2006)
The reaction of 1,4-Dihydroxyanthraquinone with diamines was carried out in thepresence of CuCl2, CuCl in the ionic liquid [Bmim]PF6, [Bmim]BF4 or [Bmim]Cl·CuCl.
Externí odkaz:
https://doaj.org/article/5cafa319843d4b3e8e0d7aec44462373
Publikováno v:
Molecules, Vol 22, Iss 5, p 762 (2017)
An efficient, convenient, and eco-friendly biocatalytic approach was developed for the synthesis of quinoline derivatives via the α-chymotrypsin-catalyzed Friedländer reaction. Interestingly, α-chymotrypsin exhibited higher catalytic activity in a
Externí odkaz:
https://doaj.org/article/dc54059a2c0946d0a8ad0fa34a3b9e63
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 10, Pp o2352-o2352 (2009)
The title compound, C29H19F6NOS2, is a new unsymmetrical photochromic diarylethene derivative with different meta-phenyl substituents. The distance between the two reactive (i.e. can be irradiated to form a new chemical bond) C atoms is 3.501 (4) Å;
Externí odkaz:
https://doaj.org/article/3f2a74b1c3c2425ea0e56dfb4858155d
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 2, Pp o517-o517 (2008)
The title compound, C31H26F6N4S2, is a new photochromic dithienylethene with dicyanovinyl subsitituents. In the crystal structure, the molecule adopts a photoactive antiparallel conformation, with two n-pentyl groups located on opposite sides of the
Externí odkaz:
https://doaj.org/article/55ccd7b62dd74f1f8fb37e157fef124a
Autor:
Zhang, Gao-Le, Zhang, Wen-Jun, Li, Hong-Liang, Cao, Wen-Zhen, Wang, Bo-Da, Guo, Wei-She, Gao, Pan
Publikováno v:
In Tunnelling and Underground Space Technology incorporating Trenchless Technology Research February 2021 108