Tetrahedron

Synthesis and photochromic properties of substituted 3H-naphtho [2, 1-b] pyrans

…, BM Heron, AC Instone, PN Horton, MB Hursthouse

Index: Gabbutt, Christopher D.; Heron, B. Mark; Instone, Alicia C.; Horton, Peter N.; Hursthouse, Michael B. Tetrahedron, 2005 , vol. 61, # 2 p. 463 - 471

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Citation Number: 38

Abstract

The synthesis and spectroscopic properties of novel 3H-naphtho [2, 1-b] pyrans are described. Subtle variation of the colour of the photo-generated merocyanine dyes derived from these naphthopyrans can be accomplished by controlling the steric interactions between a terminal pyrrolidine donor group and a proximal substituent.