Acyl Isothiocyanates of 2-Allyl- and 2-Benzylmaleopimarimide: Synthesis of 1,3,4-Thiadiazoles

New linear hydrazinocarbonothioyl derivatives of maleopimarimides were synthesized in high yields by the interaction of acyl isothiocyanates of 2-allyl- and 2-benzylmaleopimarimides with acetohydrazide and hydrazide of 4-methoxybenzoic acid. 1,3,4-Thiadiazole derivatives were synthesized by boiling...

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Bibliographic Details
Published in:Russian journal of general chemistry 2024-03, Vol.94 (3), p.514-521
Main Authors: Vafina, G. F., Poptsov, A. I.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Ethanol
NMR
Nuclear magnetic resonance
Sulfuric acid
Thiadiazoles
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Summary:New linear hydrazinocarbonothioyl derivatives of maleopimarimides were synthesized in high yields by the interaction of acyl isothiocyanates of 2-allyl- and 2-benzylmaleopimarimides with acetohydrazide and hydrazide of 4-methoxybenzoic acid. 1,3,4-Thiadiazole derivatives were synthesized by boiling hydrazinocarbonothioyl derivatives of maleopimarimides with a catalytic amount of concentrated H 2 SO 4 in ethanol. The structure of the synthesized compounds was determined using 1 H, 13 C NMR, 1 H– 13 C HSQC, 1 H– 13 C HMBC, COSY, NOESY, and 1 H- 15 N HMBC spectroscopy methods.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363224030034