di-pimethane rearrangements

A form of di-pimethane rearrangement — 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.

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Meanings

noun
  1. pluralplural of di-pimethane rearrangement
Cite this entry
APA

di-pimethane rearrangements. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/di-pimethane%20rearrangements

MLA

“di-pimethane rearrangements.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/di-pimethane%20rearrangements. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “di-pimethane rearrangements,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/di-pimethane%20rearrangements.

Source: di-pimethane rearrangements on Wiktionary, CC BY-SA 4.0.