Oxidizing reactions in photo-decomposition of hetero-chain polymers
โ Scribed by V.V. Gur'yanova; A.B. Blyumenfel'd; E.Ye. Said-Galiyev; T.L. Pertsova; B.M. Kovarskaya
- Book ID
- 118360635
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 146 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0032-3950
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๐ SIMILAR VOLUMES
A~traet--Aberchrome 540 dye is amber in its ring-opened form (A) [(E)-ct-(2,5-dimethyl-3-furylethylidene) (isopropylidene) succinic anhydride]. Irradiation with u.v. (2 > 300 nm) causes the molecules to undergo conrotatory ring-closure and the dye is in its red form (B) [7,7a-dihydro-2,4,7,7,7a-pent
The amber Aberchrome 540 dye [(E) 300 nm) undergoes conrotatory ring-closure to give a red dye (B) [7,7a-dihydro-2,4,7,7,7a-pentamethylbenzo [b] furan-5,6dicarboxylic anhydride]. The red form B may be reversed to form A in the photodecolouration reaction using visible light. The kinetics of the phot