「詩」の : 「歌い物」「語り物」の系譜としての近代詩
Published in 聖学院大学論叢 • Mar 25, 2004
Authors:
均 清水
Abstract
A direct conversion of deoxydihydrothebaine-phi (1) to 3-methoxymorphinan-6-one (3Ca) and its trans isomer 3Ta was achieved in excellent yield by the catalytic reduction of 1 in AcOH containing CF3COOH. Treatment of 3Ca or 3Ta with NaH and diethyl carbonate formed the corresponding 7-carbethoxy deri...
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