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Priority to RO129185ApriorityCriticalpatent/RO97956B1/ro
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Prezenta inventie se refera la derivati ciclohexil-ureidosulfonil-fenoxiacetici si la un procedeu de preparare a acestora. Procedeul de obtinere a acestor produse se realizeaza prin condensarea esterilor metilici ai acizilor sulfonamido-fenoxiacetici cu izocianat de ciclohexil în raport molar 1:1, în prezenta de K2CO3, în mediu de acetat de etil sau acetona, la temperaturi de 70 degree C si, respectiv, 56 degree C, timp de 3 h.
RO129185A1987-07-251987-07-25Derivati ciclohexil-ureidosulfonil-fenoxiacetici si procedeu de obtinere a acestora
RO97956B1
(ro)
Process for the preparation of compositions for retarding plant growth containing malonic acid derivative compounds as well as of novel malonic acid derivatives
Спосіб одержання n-(1-метоксипроп-2-іл)-2,4-диметил-3амінотіофену, 2,4-диметил-2,3-дигідротіофен-3-он як проміжний продукт та його похідні як вихідні продукти