Dramatically different photochemical behaviour of 1-aroyl-2-methylene piperidine and pyrrolidine derivatives. An expeditious synthesis of ruspolinone

DOI: 10.1016/0040-4039(96)01765-0

Source and publish data:

Tetrahedron Letters p. 7749 - 7752 (1996)

Update date:2022-08-04

Topics:

Authors:

Couture Couture

Deniau Deniau

Grandclaudon

Lebrun Lebrun

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Article abstract of DOI:10.1016/0040-4039(96)01765-0

Upon irradiation in neutral solvent, the diversely substituted 1-aroyl-2-methylenepiperidines 6a-f give rise to photocyclized products 4a-f while their pyrrolidine congeners 7a,c,d afford enaminoketones 18a,c,d products of photo-Fries rearrangement.

Full text of DOI:10.1016/0040-4039(96)01765-0

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