منابع مشابه
3-Methoxy-N-p-tolylbenzohydroxamic acid
Two mol-ecules of the title compound, C(15)H(15)NO(3), are linked by a pair of O-H⋯O(carbon-yl) hydrogen bonds over a centre of inversion to form a hydrogen-bonded dimer. With respect to the -C(=O)-N(OH)- unit, the methoxy-substituted ring is twisted by 42.2 (1)°, whereas the methyl-substituted ring is twisted by 52.2 (1)°.
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 furni...
متن کامل3-methoxy-4-hydroxymandelic acid (vma) by microfiber chromatography.
A method is presented for the rapid, precise, quantitative measurement of 3-methoxy4-hydroxymandelic acid (VMA) in urine. The method is unique in that it utilizes silica-gel-impregnated glass fiber as a support medium for thin-layer chromatography. An ethyl acetate extract of acidified urine was spotted and chromatographed in an ascending technic using tolulene, glacial acetic acid, and ethyl a...
متن کاملSynthesis 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...
متن کاملDetermination of 3-methoxy-4-hydroxymandelic acid in urine.
Five different methods for the determination of 3-methoxy-4-hydroxymandelic acid (vanilmandelic acid, VMA) in urine were compared: a GLC-FID catecholamine metabolite profiling method, an HPLC method with electrochemical detection, the method of Pisano et al. [1962) Clin. Chim. Acta 7, 285-291), a one dimensional paper chromatographic method with diazotized p-nitroaniline staining and the commer...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2007
ISSN: 1600-5368
DOI: 10.1107/s1600536807064379