The 1,2-thiazine ring is not frecuently encountered in the literaturel; on the other hand, some interesting recent works deal with the synthesis and utility of 2-azathiabenzene-l-oxides 2 and of tetrahydro-3 and dihydro-1,2-
A Simple and New Synthetic Method for the Preparation of 2-Pheynl-6-substituted Quinolines
β Scribed by Roy, Bidhan C.; Kar, Gandhi K.; Ray, Jayanta K.
- Book ID
- 118033946
- Publisher
- Taylor and Francis Group
- Year
- 1993
- Tongue
- English
- Weight
- 191 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0039-7911
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π SIMILAR VOLUMES
A reliable route is described for the preparation of various 2-substituted derivatives of [1,2,3,4,4a,8a-13 C 6 ]-naphthalene via the bromide 10. The approach is used to prepare [naphthalene-1,2,3,4,4a,8a-13 C 6 ]-2-(2-bromoethyl)naphthalene (1), a key intermediate in the synthesis of labelled SR577
The first synthesis of diazoesters by direct diazotization of amino acid esters was reported by Curtius I,\*) around 1900. Although this method is well suited for the preparation of diazoacetic ester, 3) it is generally inapplicable to the syntheses of a-substituted-a-diazoesters (I),\*) because of