Phosphorylation of C-alkenylsubstituted pyrazoles with phosphorus pentachloride
โ Scribed by L. I. Larina; E. V. Rudyakova; V. A. Savosik; G. G. Levkovskaya; V. G. Rozinov; M. Yu. Dmitrichenko
- Book ID
- 111460154
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 163 KB
- Volume
- 79
- Category
- Article
- ISSN
- 1070-3632
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๐ SIMILAR VOLUMES
The reactions of N-methyl-and N-phenylpyrazole derivatives with phosphorus(ll1) halides have been studied. The preparative method for synthesis of a variety of 4-phosphorylated pyrazoles, including pyrazolyl substituted halo-and dihalophosphines, has been elaborated. Migration of an alkyl group from
Reports of naturally occurring 7a-methoxycephalosporin compounds (1) and a procedure for converting them to other 7a-methoxy-76-amidocephalosporanic acids (2) have recently appeared in the literature. There are many instances of phosphorus pentachloride being used to convert 76-amidocephalosporins