Tetrahedron p. 16083 - 16096 (1997)
Update date:2022-08-02
Topics:
Ibrahim-Ouali, Malika
Sinibaldi, Marie-Eve
Troin, Yves
Guillaume, Dominique
Gramain, Jean-Claude
Spiroindoline lactams 9 and imides 11 were efficiently and diastereoselectively prepared by photocyclization of N-arylenaminolactams 8 and esters 5 respectively. Imides 11 wee conveniently transformed into the known indolines 13 and 14 which are key intermediates for the synthesis of (±)-vindorosine and Aspidosperma alkaloids.
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