IT1238212B - Prepn. of pure methyl N-methyl:anthranilate
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Prepn. of pure methyl N-methyl:anthranilate
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IT1238212B
IT1238212BIT02209389AIT2209389AIT1238212BIT 1238212 BIT1238212 BIT 1238212BIT 02209389 AIT02209389 AIT 02209389AIT 2209389 AIT2209389 AIT 2209389AIT 1238212 BIT1238212 BIT 1238212B
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Priority to IT02209389ApriorityCriticalpatent/IT1238212B/en
Publication of IT8922093A0publicationCriticalpatent/IT8922093A0/en
Publication of IT8922093A1publicationCriticalpatent/IT8922093A1/en
Application grantedgrantedCritical
Publication of IT1238212BpublicationCriticalpatent/IT1238212B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Abstract
Pure methyl-ester of N-methyl-anthranilic acid in an aq. organic solvent medium, using di.-methyl-sulphate or methyl-iodide. The resulting reaction mixt. is poured onto water and the organic phase is extd. by an aromatic-hydrocarbon or halopenated aromatic-hydrocarbon solvent. The extract is acid washed with a 1-10 vol.% HCl contg. aq. soln., freed from water and distilled. The original reagents and/or di.-alkyls produced during reaction may be retrived from the aq. phase.
IT02209389A1989-10-201989-10-20Prepn. of pure methyl N-methyl:anthranilate
IT1238212B
(en)