carboxylic hydrazides carboxylic hydrazides (acyclic compounds) P 0323 18 -066 2-Diazoacethydrazide Derivatives and Their Ring-Chain Transformations. -1-Aminotriazolates (V) and (IX), synthesized by a diazo group transfer reaction, undergo a ring opening on treatment with aqueous HCl furnishing comp
2-Diazoacethydrazide derivatives and their ring-chain transformations
✍ Scribed by Yury A. Rosin; Elena A. Vorob’eva; Yury Yu. Morzherin; Alexander C. Yakimov; Wim Dehaen; Vasiliy A. Bakulev
- Book ID
- 111730130
- Publisher
- Royal Society of Chemistry
- Year
- 1998
- Tongue
- English
- Weight
- 148 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0959-9436
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📜 SIMILAR VOLUMES
Thiohydrazide compounds 1 react with lactam acetals 2 or solution, however, most of them undergo a reversible ringlactim ethers 3 by condensation giving unusual zwitterionic chain transformation to novel 2-(o-aminoalkyl)-1,3,4-thiaditautomers 5 of lactam thioacylhydrazones 4. These compounds azole s
## Abstract A new one‐pot synthesis of title compounds 2 by reaction of β‐aminothiocinnamic acid anilides 1 with α‐haloacid halides is described. The ring of 1,4‐thiazepine 2 in basic medium undergoes transformation to thiazolidin‐4‐ones 5.