[reaction: see text] A solid-phase synthesis of trisubstituted 3-alkylamino-1,2,4-triazoles has been developed. The synthesis utilizes immobilized N-acyl-1H-benzotriazole-1-carboximidamides as key intermediates. Cyclization with hydrazines under mild conditions furnishes the title compounds with regioselectivity and high purity.
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Makara et al. (2002) studied this question.
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