Synthetic Photochemistry. XV. A Total Synthesis of Some Oxygenated Protoilludanes by an Application of Photo-Induced Cycloadditions

H. Takeshita, 竹下 齊, I. Kouno, 河野 功, H. Iwabuchi, 岩渕 久克, M. Iino, 飯野 光明, D. Nomura, 野村 男次, ヒトシ タケシタ, イサオ コウノ, ヒサカツ イワブチ, ミツアキ イイノ, ダンジ ノムラ
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Abstract

An effective preparation of protoilludanes was developed by use of two-fold photocycloadditions and methylation. Stereochemistry of the photocycloaddition processes was clarified on the basis of chemical transformations as well as the NMR evidence. Taking an advantage of this facile formation of the natural protoilludane ring derivation, some of the biogenetically significant oxygenated derivatives have been totally synthesized.
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合成光化学。十五。应用光诱导环加成法合成一些含氧原illuudanes
利用二次光环加成和甲基化,制备了一种有效的原illuudanes。根据化学转化和核磁共振证据,阐明了光环加成过程的立体化学性质。利用天然原酰苯环衍生物的这种易形成性,一些具有生物遗传学意义的氧合衍生物已被完全合成。
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