Tetrahedron p. 613 - 620 (1984)
Update date:2022-08-05
Topics:
Tortajada, Jeanine
Hemelryck, Bruno van
Morizur, Jean-Pierre
α-methyl α-functionalized (CO2CH3, CN, CH2OH and CH2Cl) cyclopentanones 2 when irradiated by UV light give title compounds : 5-substituted 4-hexen 1-al 4 as a mixture of E and Z isomers.A comparison of the photochemical behaviour of this cyclopentanones and a simple and efficient chemical transformation of the isomers Z in the more demanded isomers 4 E are described.
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