Photochemical cyclization of some aldehyde thiosemicarbazones

6533b850fe1ef96bd12a829d

RESEARCH PRODUCT

Photochemical cyclization of some aldehyde thiosemicarbazones

Giuseppe Werber Michelangelo Gruttadauria Silvestre Buscemi Giuseppe Cusmano Renato Noto Francesco Buccheri

subject

chemistry.chemical_classification chemistry.chemical_compound chemistry Organic Chemistry Methanol Ring (chemistry)Photochemistry Aldehyde Semicarbazone

description

The photochemical behaviour of some substituted aldehyde thiosemicarbazones 1a-k has been investigated in methanol at 254 nm. Thiosemicarbazones of glyoxil methyl ester 1a-f cyclized to furnish the 3-thioxo- 1,2,4-triazin-5-one 2 ring system. The remaining thiosemicarbazones 1g-j gave 1,2,4-triazoline 4 derivatives.

year	journal	country	edition	language
1992-01-01	Journal of Heterocyclic Chemistry

https://doi.org/10.1002/jhet.5570290142

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