Ontology highlight
ABSTRACT:
SUBMITTER: Liu R
PROVIDER: S-EPMC3717254 | biostudies-literature | 2013 May
REPOSITORIES: biostudies-literature
Liu Renhe R Zhang Min M Winston-McPherson Gabrielle G Tang Weiping W
Chemical communications (Cambridge, England) 20120803 39
Regioselective ring expansion of alkynyl cyclopropanes to highly substituted cyclobutenes was developed. The reaction involves a copper-catalyzed cycloaddition of an alkyne with an arylsulfonyl azide and a silver-catalyzed carbene formation followed by ring expansion of a cyclopropyl carbene intermediate. ...[more]