AN EFFICIENT ONE STEP CONVERSION OF 3-FORMYLCHROMONES INTO 3-CYANOCHROMONES
β Scribed by Reddy, G. Jagath; Latha, D.; Thirupathaiah, C.; Rao, K. Srinivasa
- Book ID
- 120019906
- Publisher
- Taylor and Francis Group
- Year
- 2004
- Tongue
- English
- Weight
- 177 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0030-4948
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π SIMILAR VOLUMES
ON treatment with phenylmagnesium bromide the 3,4-dichlorocoumarins,' I, are converted into the corresponding 3-chlorofle,ones, II. This is apparently the first instance of a one-step conversion of the coumarin system into the flavone system. 2 In previous studies involving treatment of coumarins wi
Starting from the commercially available 3-amino-6-chloropyridazine, 3-amino-6-arylpyridazines were prepared in good yields by means of a Suzuki cross-coupling reaction avoiding the somewhat lengthy four-step classic synthesis.