Speakur

Word Pronunciation & Dictionary

di-pimethane rearrangement

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
di-pimethane re-ar-range-ment
IPA
35
Scrabble Score
24
Letters
5
Syllables
11
Unique Chars

Meaning

noun

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.

Inflected Forms

di-pimethane rearrangements (plural) di-pi-methane rearrangement (alternative) di-π-methane rearrangement (alternative)

Questions

What does di-pimethane rearrangement mean?
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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