di-pimethane rearrangement (English, noun)
expansion: di-pimethane rearrangement (plural di-pimethane rearrangements)
Senses:
glosses: A photochemical reaction of a molecular entity comprising two p-systems, separated by a saturated carbon atom (a 1,4-diene or an allyl-substituted aromatic analog), to form an ene- (or aryl-) substituted cyclopropane. The rearrangement formally amounts to a 1,2 shift of one ene group (in the diene) or the aryl group (in the allyl-aromatic analog) and ‘bond formation’ between the lateral carbons of the non-migrating moiety.
Forms:
form: di-pimethane rearrangements
tags: plural
form: di-pi-methane rearrangement
tags: alternative
form: di-π-methane rearrangement
tags: alternative