An efficient synthesis of 1,3-dimethyl-5-(2-phenyl-4H-chromen-4-ylidene) pyrimidine-2,4,6(1H,3H,5H)-triones and investigation of their interactions with β-lactoglobiulin
A Pd(ii)-catalyzed asymmetric approach toward chiral [3.3.1]-bicyclic ketals using 2-hydroxyphenylboronic acid as a pro-bis(nucleophile)
作者:Feijun Wang、Feng Chen、Mingliang Qu、Teng Li、Yunlong Liu、Min Shi
DOI:10.1039/c3cc00295k
日期:——
Enantioselective Pd(II)-catalyzed construction of [3.3.1]-bicyclic ketals from 2-hydroxyphenylboronic acid 1 and enone 3 is reported, yielding enantioenriched [3.3.1]-bicyclic ketals in up to 97% yields and 98% ee.