Synthesis of Oxazoles from Enamides via Phenyliodine Diacetate-Mediated Intramolecular Oxidative Cyclization
摘要:
A group of functionalized oxazoles were synthesized in moderate to good yields from enamides via phenyliodine diacetate (PIDA)-mediated intramolecular cyclization. The main advantageous features of the present method include its broad substrate scope and the heavy-metal-free characteristic of the oxidative carbon-oxygen bond formation process.
作者:Alexey Yu. Dubovtsev、Dmitry V. Dar'in、Vadim Yu. Kukushkin
DOI:10.1002/adsc.201900097
日期:2019.6.18
Three‐component [2+2+1] gold(I)‐catalyzed reaction of internalalkynes (alkynyl esters or ‐ketones), nitriles, and 2‐chloropyridine N‐oxide led to a wide range of fully substituted 1,3‐oxazoles (32 examples; up to 92% isolated yields). Nitrile R3CN species, employed in the reaction as both reactants and solvents, comprise conventional nitriles (R3=Alk, Ar) and also push‐pull systems such as cyanamides
PREPARATION AND METHODS OF USE FOR ORTHO-ARYL 5-MEMBERED HETEROARYL-CARBOXAMIDE CONTAINING MULTI-TARGETED KINASE INHIBITORS
申请人:Flynn Gary A.
公开号:US20140228367A1
公开(公告)日:2014-08-14
The present disclosure relates to compounds of the Formula (I):
and pharmaceutically acceptable salts, as kinase modulators, compatible with the Type-II inhibition of kinases.