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Diastereoselective Intramolecular Carbamoylketene/Alkene [2 + 2] Cycloaddition: Enantioselective Access to Pyrrolidinoindoline Alkaloids

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journal contribution
posted on 04.01.2013 by Takaaki Araki, Tsukasa Ozawa, Hiromasa Yokoe, Makoto Kanematsu, Masahiro Yoshida, Kozo Shishido
A novel and highly diastereoselective intramolecular carbamoylketene/alkene [2 + 2] cycloaddition has been developed, and the methodology was successfully applied to the enantioselective syntheses of (−)-esermethole and Takayama’s intermediate for (+)-psychotrimine.

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