Anghelescu, N.N.AnghelescuDumitrescu, EmilEmilDumitrescuCostov, IoanIoanCostovParmac, SorinSorinParmacCraiu, CornelCornelCraiu2017-04-242017-04-241986-09-30Patent no. RO 90333-Ahttp://hdl.handle.net/123456789/903Patent Assignee Name(s) and Code(s): INST EPURAREA APELOOxalates are obtd. by condensing Me(I)phenoxide or Me(I)nitrophenoxide with oxalyl-­chloride in benzene or toluene. Other substd. derivs. of phenols, e.g. halides, nitro cpds., or contg. carboxylic or alkyl gps. etc. can also be prepden-USOxalatesPreparationPrepn. of oxalate(s) of di:phenyl or bis­O­nitrophenyl ­ obtd. by condensn. of methyl (I) phenoxide(s) and oxalyl­chloride, in benzene or tolueneProcedeu de obtinere a oxalatului de difenil si a oxalatului de bis o-nitrofenolPatent