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Priority to RO117666ApriorityCriticalpatent/RO91633B1/ro
Publication of RO91633A2publicationCriticalpatent/RO91633A2/ro
Publication of RO91633B1publicationCriticalpatent/RO91633B1/ro
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la un procedeu de preparare a acidului 4-clor-3-nitrobenzofenon-2'-carboxilic prin nitrarea acidului 4-clorbenzofenon-2'-carboxilic, constînd în aceea ca reactia de nitrare se efectueaza cu un amestec nitrat de cid azotic fumans si acid sulfuric concentrat în conditii foarte blînde.
RO117666A1985-02-181985-02-18Procedeu de preparare a acidului 4-clor-3-nitrobenzofenon-2'-carboxilic
RO91633B1
(ro)