Photochemical Rearrangements of 5,6‐Epimino‐5,6‐dihydro‐β‐ionone and Derivatives | Zendy

Müller Ernst Peter | Zendy

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Photochemical Rearrangements of 5,6‐Epimino‐5,6‐dihydro‐β‐ionone and Derivatives

Author(s) -

Müller Ernst Peter

Publication year - 1986

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19860690320

Subject(s) - chemistry , ionone , isomerization , derivative (finance) , irradiation , photochemistry , photodissociation , stereochemistry , medicinal chemistry , organic chemistry , catalysis , physics , nuclear physics , financial economics , economics

On irradiation at −20°, 5,6‐epimino‐5,6‐dihydro‐β‐ionone ( E )− 3 rearranges to the products 6 and 7 . The N ‐methyl derivative ( E )‐ 4 does not lead to any photoproduct upon brief irradiation; on prolonged irradiation, only unspecific photodecomposition is observed. The N ‐acylated derivative ( E )‐ 5 undergoes rapid ( E )/( Z )‐isomerization and slow rearrangement to 12 and 13 .

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