PHOTOCHEMICAL REACTIONS OF 7-AMINOCOUMARINS. 5. -CYCLOADDUCTS WITH trans-STILBENE

DOI: 10.1007/BF00480855

Source and publish data:

Chemistry of Heterocyclic Compounds p. 852 - 857 (1990)

Update date:2022-08-02

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Authors:

Kirpichenok, M. A.

Yufit, D. S.

Mel'nikova, L. M.

Struchkov, Yu. T.

Denisov, L. K.

Grandberg, I. I.

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Article abstract of DOI:10.1007/BF00480855

The photocycloaddition of trans-stilbene to 7-diethylaminocoumarin, 4-methyl-7-diethylaminocoumarin, and 4-(N-morpholino)-7-diethylaminocoumarin was investigated.Adducts involving stereospecific (2 + 2)-cycloaddition at the 3-4 bond were isolated.On the basis of the PMR spectra and an x-ray diffraction study, it was established that the phenyl groups in the cycloadducts occupy 1-endo and 2-exo positions.

Full text of DOI:10.1007/BF00480855

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