The photochemical reactions of 1,3-cyclo
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R. J. de Kock; N. G. Minnaard; E. Havinga
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Article
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2010
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Elsevier Science
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English
β 569 KB
## Abstract Data are presented in support of the view that the photochemical conversion of ergosterol into precalciferol, involving a cleavage of the cyclohexadieneβring, belongs to a generally occurring type of photochemical isomerisations. Under the influence of ultraviolet light 1,3βcyclohexadie