CNDO/2 force field and normal coordinate analysis of 2,6-dimethyl-1,5-dehydro-1,2,3-triazolo-[2,1a]-1,2,3-triazole
β Scribed by A. Grofcsik; F. Billes; G. Fogarasi
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 225 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0022-2860
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π SIMILAR VOLUMES
## Abstract 5β²βMercaptoβ1β²__H__β1,2,4βtriazolβ3β²βylβisoquinolinium salts **(6)** were synthesised by the reaction of __ortho__βacyl phenylacetones **(2)** or the corresponding pyrylium salts **(3)** and 5βaminoβ2,3βdihydroβ1__H__β1,2,4βtriazoleβ3βthione **(5)**. Treatment of thioles **6** withΞ±,Οβd
With sodium borohydride in tetrahydrofuran/ethanol (5 : 1). the product ( I ) gives a 75 yield of a compound, m.p. 233 "C, that is identical with the recently prepared 2-(diphenylmethyl)imidaz0le[~1. When product ( I ) is boiled for 2 h in tetrahydrofuran/water (2: I ) it affords 2-(hydroxy-dipheny