2-Benzopyrylium salts. 27. Formation of substituted chrysenes from 1-methyl-2-benzopyrylium salts
โ Scribed by I. V. Korobka; A. I. Voloshina; E. V. Kuznetsov
- Book ID
- 112348572
- Publisher
- Springer US
- Year
- 1984
- Tongue
- English
- Weight
- 445 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
It was observed that the disproportionation of 2-benzopyrylium salts proceeds through prior dimerization. Intermediates were isolated and identified. Assumptions regarding the mechanism of the transformation are expressed. Continuing our study of the recently observed 4--1'dimerization of 2-benzopy
Nucleophilic aldition of u cyanide anion to 2-benwpyryliwn salt8 I takes place at the firet position end led8 to stable i8ochzvmene8 II, which are oxygen anabgs of Reissert aqXUnd8. The structure II uaa a~nfirmed by IR, 'H-NM? and '3C-NMR spectra. The tatter epectra reveal clearly the cyarr, gzup (w