Chemistry of Heterocyclic Compounds p. 852 - 857 (1990)
Update date:2022-08-02
Topics:
Kirpichenok, M. A.
Yufit, D. S.
Mel'nikova, L. M.
Struchkov, Yu. T.
Denisov, L. K.
Grandberg, I. I.
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.
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Doi:10.1021/jo00005a057
(1991)Doi:10.1016/S0040-4039(00)97268-X
(1990)Doi:10.3987/COM-14-S(K)83
(2015)Doi:10.1021/jo00008a051
(1991)Doi:10.1021/acs.orglett.5b01167
(2015)Doi:10.1039/P19900003365
(1990)
