Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxylate

Abdullah Mohamed Asiri; Seik Weng Ng

doi:10.1107/s1600536809008691

Abstract

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The sp(3)-hybridized methine C atom in the title compound, C(19)H(18)O(5), lies out of the mean plane of the remaining 13 atoms of the naphthopyran fused-ring system by 0.571 (1) Å, and its H atom occupies a pseudo-equatorial site.

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Diethyl 3<i>H</i>-naphtho[2,1-<i>b</i>]pyran-2,3-dicarboxylate

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