科研之友
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摘要
A series of 2(5H)-furanones, bearing a 1,2-dioxyethyl substituent at the gamma-carbonyl position, have been prepared and explored as substrates in photochemical reactions with alkenes. Compared to the simpler oxymethyl analogues, the homologation of the side chain is highly beneficial to the antifacial selectivity of the [2+2] cycloadditions. Most reactions occur in synthetically useful yields, giving access to new polyfunctionalized cyclobutane-fused furanones.
- 出版日期2015
