Kinetics for Scale-Up of a One-Pot Pathway to 5-(3-Fluorophenyl)-2, 4-dihydro-2, 4-dimethyl-3 H-1, 2, 4-triazole-3-thione Using a Hybrid Model of Parallel and …
DH Louks, SK Stolz-Dunn
Index: Louks, David H.; Stolz-Dunn, Sandra K. Organic Process Research and Development, 2007 , vol. 11, # 5 p. 877 - 884
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Abstract
Kinetic results are reported for the one-pot reaction of 2, 4-dimethylthiosemicarbazide (1) and 3-fluorobenzoyl chloride (2) to the unisolated benzamide intermediate (3), and on to the ring-closed product, 5-(3-fluorophenyl)-2, 4-dihydro-2, 4-dimethyl-3 H-1, 2, 4-triazole-3- thione (4). The sensitivity of the synthetic route to competing side reactions was examined by studying the kinetics of each reaction step. A first-order kinetic Model of the hybrid ...
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