17838-69-6Relevant articles and documents
Selective 15N-labeling and analysis of 13C- 15N J couplings as an effective tool for studying the structure and azide-tetrazole equilibrium in a series of tetrazolo[1,5- b ][1,2,4]triazines and tetrazolo[1,5-a ]pyrimidines
Deev, Sergey L.,Shenkarev, Zakhar O.,Shestakova, Tatyana S.,Chupakhin, Oleg N.,Rusinov, Vladimir L.,Arseniev, Alexander S.
, p. 8487 - 8497 (2010)
Two general methods for the selective incorporation of an 15N-label in the azole ring of tetrazolo[1,5-b][1,2,4]triazines and tetrazolo[1,5-a]pyrimidines were developed. The first approach included treatment of azinylhydrazides with 15/su
Divergent Conversion of N-Acyl-isoxazol-5(2 H)-ones to Oxazoles and 1,3-Oxazin-6-ones Using Photoredox Catalysis
Mei, Mingjing,Anand, Devireddy,Zhou, Lei
supporting information, p. 3548 - 3553 (2019/05/24)
The fragmentation of N-acyl-isoxazol-5-ones using visible light photoredox catalysis has been disclosed. The catalyst-controlled divergent mechanisms, namely the oxidative and reductive quenching catalytic cycle, are utilized. Various oxazoles and 1,3-oxazin-6-ones are selectively obtained from the same isoxazol-5-one skeleton under mild conditions.
Titanium(IV) Chloride-Mediated Stereoselective α-Alkylidenation to Efficiently Assemble Multisubstituted 1,3-Dienes
Sun, Rengwei,Song, Wei,Ma, Chunmei,Zhang, Huiwen,Yu, Xinhong
supporting information, p. 3977 - 3982 (2016/12/30)
A direct access to multisubstituted 1,3-dienes by α-exclusive alkylidenation of crotonic derivatives has been developed. This protocol, mediated by titanium tetrachloride chelation, features excellent regio- and stereoselectivity, mild reaction conditions, easy operation and wide substrate scope. Conversions of the derived dienes to other useful molecules were also explored. (Figure presented.).
