Synthesis of Dipyrimidylsulfides Based on 5- Amino-4-Methoxy-6-Methylmercaptopyrimidine and Chloroacetic Acid Chloride
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چکیده
منابع مشابه
SYNTHESIS OF 8-HYDROXY-6-METHOXY- 3-UNDECYLISOCOUMARIN AND 2-HY DROXY - 4-METHOXY-6-(2-OXOTRIDECYL) BENZOIC ACID
Straightforward conversion of (+)-6,8-dimethoxy-3,4-dihydro-3- undecylisocoumarin (3) to the title isocoumarin was carried out. Hydrolytic ring opening of (3) afforded the hydroxy acid (4) which was immediately oxidized to keto acid (5) using chromic acid, Cyclodehydration of (5) afforded the 6,8- dimethoxy-3-undecylisocoumarin (6) which on selective demethylation of 8- methoxy group furni...
متن کاملsynthesis of 8-hydroxy-6-methoxy- 3-undecylisocoumarin and 2-hy droxy - 4-methoxy-6-(2-oxotridecyl) benzoic acid
straightforward conversion of (+)-6,8-dimethoxy-3,4-dihydro-3- undecylisocoumarin (3) to the title isocoumarin was carried out. hydrolytic ring opening of (3) afforded the hydroxy acid (4) which was immediately oxidized to keto acid (5) using chromic acid, cyclodehydration of (5) afforded the 6,8- dimethoxy-3-undecylisocoumarin (6) which on selective demethylation of 8- methoxy group furnished ...
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An efficient synthesis of 5-bromo-2-methoxy-6-methylaminopyridine-3-carboxylic acid (1), a carboxylic acid moiety of a potent dopamine D2 and D3 and serotonin-3 (5-HT3) receptors antagonist, (R)-5-bromo-N-(1-ethyl-4-methylhexahydro-1 ,4-diazepin-6-yl)-2-methoxy-6-methylaminopyridine-3-carboxamide, is described. Reaction of methyl 2,6-difluoropyridine-3-carboxylate (12) with methylamine in EtOH ...
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چکیده ندارد.
15 صفحه اولSynthesis of bosutinib from 3-methoxy-4-hydroxybenzoic acid.
This paper reports a novel synthesis of bosutinib starting from 3-methoxy-4-hydroxybenzoic acid. The process starts with esterification of the starting material, followed by alkylation, nitration, reduction, cyclization, chlorination and two successive amination reactions. The intermediates and target molecule were characterized by (1)H-NMR, (13)C-NMR, MS and the purities of all the compounds w...
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ژورنال
عنوان ژورنال: ??????? ????????????? ???????????????? ????????????
سال: 2021
ISSN: ['2500-1930', '2542-033X']
DOI: https://doi.org/10.21779/2542-0321-2021-36-3-89-95