The a-chloro isocyanates 1 and the a-chloro isothiocyanate 2a react with antimony pentachloride and ketones or aldehydes at low temperatures to give the 2-azaallenium hexachloroantimonates 5aq in high yields. The reaction proceeds via the 1-oxa-(or l-thia)-3-azabutatrienium hexachloroantimonates 3,
โฆ LIBER โฆ
New synthesis of 2 -aminobenzopyrylium salts
โ Scribed by Yu A. Sharanin; Kh. Ya. Lopatinskaya; L. G. Sharanina; S. N. Baranov
- Book ID
- 112326832
- Publisher
- Springer US
- Year
- 1974
- Tongue
- English
- Weight
- 50 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0009-3122
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