Reaction of phenylboric anhydride with hexamethylcyclotrisilazane
β Scribed by E. A. Gruzinova; M. Yu. Svatikov; G. V. Kotrelev; A. A. Zhdanov
- Book ID
- 112446370
- Publisher
- Springer
- Year
- 1987
- Tongue
- English
- Weight
- 154 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1573-9171
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π SIMILAR VOLUMES
Trifluoroacetic anhydride {TFAA) in ether quickly (= 5-10 min) converted tryptophau to the crystalline 2-trifluoromethyl-5(4@-oxazolone (2) without racemization. Dissolution of optically active 2 in acetonitrile gave racemic 2, whereas treatment with hot aqueous dioxane gave the isomeric oxazolone (
Tnfllc anhydnde reacts with aryldtazomethanes to form predominantly os-stllbenes by a mechanism rnitiated by electron transfer from the dlazocompounds to the anhydnde Dlazocompounds are readily protonated under acldlc condttlons 1 They also undergo facile reactlon with electrophlles such as halogen,