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PHOTOCHROMISM STUDY IN SOME 4-THIOPYRAN DERIVATIVES

✍ Scribed by Pirelahi, Hooshang; Parchamazad, Iraj; Abaii, Mohammed Saiid; Sheikhebrahimi, Sekineh


Book ID
120262436
Publisher
Taylor and Francis Group
Year
1991
Tongue
English
Weight
150 KB
Volume
59
Category
Article
ISSN
1042-6507

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Some 2-alkyl-4-methyl-2,6-diphenyl-2H-thiopyrans were synthesized, and the crystal structure of 2-tert-butyl-4-methyl-2,6-diphenyl-2Hthiopyran 1 was determined by single-crystal X-ray diffraction. X-ray crystallographic analysis and ab initio HF/6-31G(d) and B3LYP/6-31G(d) calculations revealed a fa