Results 111 to 120 of about 8,819 (284)

Synthesis and Biological Activity of some Pyrido-2-carboxamido-pyrazoline and -isoxazoline Derivatives [PDF]

, 1986
N. K. MANDAL, R. SINHA, K. P. BANERJEE
openalex   +1 more source

Trichloroisocyanuric Acid Promoted Cascade Cyclization/Trifluoromethylation of Allylic Oximes: Synthesis of Trifluoromethylated Isoxazolines.

Organic Letters, 2017
Cheap and commercially available trichloroisocyanuric acid has been used to promote trifluoromethylation by using TMSCF3 as the trifluoromethyl source.
Weigang Zhang, Yingpeng Su, Ke‐Hu Wang, Liliu Wu, Bingbing Chang, Ya Shi, Danfeng Huang, Yulai Hu   +7 more
semanticscholar   +1 more source

Synthesis and Biological Activity of Thiazolo and Phenylthiazolo-2-carboxamido-pyrazoline and -isoxazoline Derivatives [PDF]

, 1987
N. K. MANDAL, R. SINHA, K. P. BANERJEE
openalex   +1 more source

Diastereofacial selection in nitrile oxide cycloaddition reactions. The anti-directing effect of an allylic oxygen and some new results on the ring metalation of isoxazolines. A synthesis of (.+-.)-blastmycinone [PDF]

, 1984
Alan P. Kozikowski, Arun K. Ghosh
openalex   +1 more source

Полупродукты получения жидкокристаллических и анизотропных материалов [PDF]

, 2014
Рассмотрены полупродукты получения различных анизотропных и жидкокристаллических соединений и материалов. Показано, что хиральные и нехиральные нематические, смектические мезоморфные и анизотропные соединения могут быть получены ...
Безбородов, Владимир Степанович, Кузьменок, Нина Михайловна, Лапаник, В. И., Михалёнок, Сергей Георгиевич, Сосновский, Г. М.   +4 more
core  

Synthesis and Antimicrobial Studies of Some Novel Pyrazoline and Isoxazoline Derivatives

E-Journal of Chemistry, 2009
A new series of 1H-3-(4’-substituted phenyl)-5-(6’’-methoxy napthaline)-2-pyrazolines (4a-e) and 1H-3-(4’-substituted phenyl)-5-(6’’-methoxynapthaline)-2-isoxazolines (5a-e) were synthesized by reacting 1-(4’-substituted phenyl)-3-(6’’-methoxynapthaline)-
S. B. jadhav, R. A. shastri, K. V. gaikwad, S. V. gaikwad   +3 more
doaj   +1 more source

SYNTHESIS OF SOME BICYCLO AND SPIRO ISOXAZOLINES [PDF]

, 1999
Yaşar Dürüst, H. Ali Döndaş, Nuray Özkoru   +2 more
openalex   +1 more source

Crystal structure of α-D-gluco-5-(1,2-di-O-isopropylidene-3-O-methanesulfonyl- furanos-4-yl)-3-phenyl-2-isoxazoline, C17H21NO7S [PDF]

, 1997
Karl Peters, E.‐M. Peters, Hans Georg̀ von Schnering, Daniel F. Schafer, V. Jäger   +4 more
openalex   +1 more source

Methylene Insertion into Nitrogen‐Heteroatom Single Bonds of 1,2‐Azoles via a Zinc Carbenoid: An Alternative Tool for Skeletal Editing

Advanced Science
The nitrogen‐heteroatom single bonds of 1,2‐azoles and isoxazolines underwent methylene insertion in the presence of CH2I2 (6 equiv.) and diethylzinc (3 equiv.) to produce a wide variety of the ring‐expanded six‐membered heterocycles.
Masato Tsuda, Taiki Morita, Yuto Morita, Jun Takaya, Hiroyuki Nakamura   +4 more
doaj   +1 more source

Structural assignments of stereoisomeric cyclobutanones by substituent increments on chemical shifts [PDF]

, 1975
Effenberger, Fleming, Herbert Mayr, Huisgen, Huisgen, Huisgen, Mayr, Rolf Huisgen, Sieja, Steiner, Sustmann, Weitkamp, Wiberg, Wiberg, Zurmühl   +14 more
core   +1 more source