Expandability of a long C-O bond by a scissor effect in acenaphthofuran

Chemical Communications : Chem Comm
Yasuto UchimuraTakanori Suzuki

Abstract

The angle strain induced by ring annulation on a spiro-type naphthofuran weakens its C(sp3)-O bond at the opposite peri-position and endows expandability, so that quite different bond lengths [1.493(3)-1.526(6) Å] are determined for the elongated C(sp3)-O bond of the corresponding spiro-acenaphthofuran derivative upon X-ray analyses of its pseudopolymorphs.

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Methods Mentioned

BETA
X-ray

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