Tetrahedron Letters p. 1823 - 1826 (1981)
Update date:2022-08-03
Topics:
Hajicek, Josef
Trojanek, Jan
Attempted transformation of readily accessible 18-methylenevincadifformine (I) to indolenine VI in acidic medium afforded unexpectedly the intramolecular <4+2> cycloadduct VIII in almost quantitative yield
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