Tetrahedron Letters p. 3591 - 3594 (1983)
Update date:2022-08-03
Topics:
Appel, Rolf
Zimmermann, Rolf
The phosphaalkenes 1 and 3 undergo <4+2> cycloadditions with dimethylbutadiene forming the 1,2,5,6-tetrahydro-λ3-phosphorines 2 and 4.In each case two stereoisomers are obtained, one of which can be converted thermically into the more stable on
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