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Synthesis of Thiophene-Substituted 3H-Naphtho[2,1-b]pyrans, Precursors of Photomodulated Materials

✍ Scribed by Corinne Moustrou; Nicole Rebière; André Samat; Robert Guglielmetti; Abd Errahim Yassar; Roger Dubest; Jean Aubard

Publisher: John Wiley and Sons
Year: 1998
Tongue: German
Weight: 632 KB
Volume: 81
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19980810540

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## Abstract magnified image Naphtho[2,1‐__b__]pyran nuclei are prevalent in natural products with significant biological and medicinal properties. 3,3‐Disubstituted 3__H__‐naphtho[2,1__‐b__]pyrans are photochromic and find use in electronic display systems, ophthalmic lenses, optical switches, and