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Priority to RO106355ApriorityCriticalpatent/RO83979B1/ro
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Publication of RO83979B1publicationCriticalpatent/RO83979B1/ro
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la un derivat de 1,1'-oxi-bis-(4N-fenoxiacetamido)-benzen cu formula: (vezi formula) care se obtine prin condensarea acidului fenoxiacetic cu 1,1'-oxi-bis-(2-clor-4-amino-2'-etoxi)-benzen, în cantitati stoichiometrice, în medii de clorbenzen, în prezenta clorurii de fosfor, la temperatura de reflux.
RO106355A1982-01-191982-01-19Derivat de 1, 1'-oxi-bis-(4n-fenoxiacetamidobenzen si procedeu pentru prepararea lui
RO83979B1
(ro)
"procedimiento para preparar derivados del acido 2-(4-hidroxi-2-oxopirrolidin-acetico:intermediarios de aplicacion exclusiva en dicho procedimiento y la preparacion de dichos intermediarios".