Crystal engineering via Cl ⋯ Cl non-bonded interactions. The novel 2 : 1 complex, 6-chloro-3,4-(methylenedioxy)cinnamic acid–2,4-dichlorocinnamic acid. Topochemical conversion into an unsymmetrical cyclobutane and kinetics of the reaction
作者:Jagarlapudi A. R. P. Sarma、Gautam R. Desiraju
DOI:10.1039/c39840000145
日期:——
Two chloro-subsitituted cinnamic acids have been induced to co-crystallise as a molecularcomplex which is converted, at different rates, into an unsymmetrical and two symmetrical cyclobutanes during solid-statetopochemical2 + 2photoaddition.