Diastereocontrol in the Synthesis of Models of Rings C and D of Phorbol: Directing Effect of an Ether Substituent on Lithium Carbenoid Mediated Cyclopropanation We thank Mr. A. W. Jahans for technical assistance. A.J.M.-S. thanks the Secretaria de Estado de Universidades, Investigacion y Desarrol... (original) (raw)

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