ChemInform Abstract: trans-4-Hydroxy-L-proline: A Novel Starting Material for N-Alkylpyrroles Synthesis.
β Scribed by A. Vijay Kumar; K. Rama Rao
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 27 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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β¦ Synopsis
Abstract
The reaction of aldehydes (I) with title compound (II) is studied for the first time, resulting in the formation of Nβalkylβpyrroles (III) in good to high yields.
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Ring-Chain Transformation in the 4-Hydroxy-3,4-dihydro-1,2,4triazine Series and a Novel Method for the Synthesis of 1,2,4-Triazine-4-oxides. -Condensation of the hydrazones (I) with aldehydes or ketones (II) affords a tautomeric mixture (III)/(IV) of triazines. The ringchain transformation of these