Heterocyclic compounds. Part 6. Synthesis of 1,3,4-thiadiazolidines from the reactions of phenyl hydrazones with phenyl isothiocyanate and carbon disulphide
โ Scribed by Motoyoshiya, Jiro; Nishijima, Makoto; Yamamoto, Iwao; Gotoh, Haruo; Katsube, Yukiteru; Ohshiro, Yoshiki; Agawa, Toshio
- Book ID
- 118014402
- Publisher
- Royal Society of Chemistry
- Year
- 1980
- Weight
- 468 KB
- Category
- Article
- ISSN
- 1472-7781
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๐ SIMILAR VOLUMES
## Abstract The 1__H__โpyrazoleโ3โcarboxylic acid **2**, obtained from the furanโ2,3โdione **1** and __N__โBenzylideneโ__N__'โ(3โnitrophenyl) hydrazine, was converted via reactions of its acid chloride **3** with various alcohols or Nโnucleoโphiles into the corresponding ester or amide derivatives
The substituted thioureas 3s -4 prepared from 3-phenyl-2propenoyl isothiocyanate (1) and aromatic or heteroaromatic ' amines 2a-II, cyclize in the presence of sodium ethoxide to give the perhydropyrimidine derivatives 51-c In conjunction with a project towards development of simple new approaches f