Dichotomous control of E/Z-geometry in intramolecular cyclization of o-alkynylbenzamide derivatives catalyzed by organic superbase P4-tBu in the presence/absence of water.
Kanazawa
Chikashi
C
Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
Terada
Masahiro
M