Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 99-86-5, Name is 1-Isopropyl-4-methylcyclohexa-1,3-diene, molecular formula is C10H16. In an article, author is Baashen, Mohammed A.,once mentioned of 99-86-5, COA of Formula: C10H16.
A Simple and Efficient Process for the Synthesis of Novel Heterocycles Containing Benzofuran Moiety Using Thiocarbohydrazide as a Precursor
A simple and efficient process for the synthesis of novel heterocycles starting from thiocarbohydrazide was reported. Reaction of 2-acetylbenzofuran (1) and thiocarbohydrazide (2) in ethanol containing acetic acid produced the corresponding thiocarbohydrazone 3 in 86% yield. Reaction of 3 and isatin (4) gave N,2-bis(2-oxoindolin-3-ylidene)hydrazine-1-carbothiohydrazine (6) in 65% yield, rather than the expected product, 3-[(1-methyl-1-benzofur-2-ylmethylidene)amino]-1-{[(3Z)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino}thiourea (5). Reaction of 2-((3-(benzofuran-2-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)hydrazine carbothioamide (9) and chloroacetic acid or hydrazonoyl chloride 11 in basic medium gave (Z)-2-((E)-((3-(benzofuran-2-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)hydrazono)thiazolidin-4-one (10) or 2-((E)-2-((3-(benzofuran-2-yl)-1- phenyl-1H-pyrazol-4-yl)methylene)hydrazinyl)-4-((E)-(4-fluorophenyl)diazenyl)-5-methylthiazole (12) in 62% or 74%, respectively.
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Reference:
Thiazolidine – Wikipedia,
,Thiazolidine – ScienceDirect.com