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Spectroscopic and Theoretical Evidence for the Elusive Intermediate of the Photoinitiated and Thermal Rearrangements of Photochromic Spiropyrans

✍ Scribed by Minkin, Vladimir I.; Metelitsa, Anatoly V.; Dorogan, Igor V.; Lukyanov, Boris S.; Besugliy, Serguei O.; Micheau, Jean-Claude


Book ID
120976722
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
325 KB
Volume
109
Category
Article
ISSN
1089-5639

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Structural and Spectroscopic Evidence fo
✍ Carsten Puke; Gerhard Erker; Birgit Wibbeling; Roland FrΓΆhlich πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 423 KB πŸ‘ 2 views

Reaction of the ylide (cyclopropyl) 3 P=CH 2 with Michler's 3Ј) or bis(p-methoxyphenyl) thioketone (to give 5), respectively. The oxaphosphetane series 3Јa-3Јc shows a thioketone S=C(C 6 H 4 NMe 2 ) 2 in [D 5 ]pyridine gave the thio Wittig intermediate [(cyclopropyl) 3 P + -CH 2 -CAr 2 -S -] (11; 31