网站主页>>>项目整合精选>>>项目整合精选>>>Vanilmandelic Acid CAS Registry Number: 55-10-7 3-甲氧基-4-羟基扁桃酸

Vanilmandelic Acid CAS Registry Number: 55-10-7 3-甲氧基-4-羟基扁桃酸

CAS Name: a,4-Dihydroxy-3-methoxybenzeneacetic acid
Additional Names: 3-methoxy-4-hydroxymandelic acid; 4-hydroxy-3-methoxymandelic acid; VMA
Percent Composition: C 54.55%, H 5.09%, O 40.37%

📌 参考资料/链接：
Literature References: Catecholamine metabolite. Urine levels elevated in various pathologies. Misnamed vanillinemandelic acid and vanillylmandelic acid. Prepn from vanillin cyanohydrin: Gardner, Hibbert, J. Am. Chem. Soc. 66, 608 (1944). Improved procedure: Shaw et al., J. Org. Chem. 23, 30 (1958); E. F. Recondo, H. Rinderknecht, ibid. 25, 2248 (1960); I. Goodman et al., Biochem. Prep. 13, 75 (1971). Resolution: Armstrong et al., Biochim. Biophys. Acta 25, 422 (1957). Determination in urine: T. C. Stewart, J. A. Freeman, Vanilmandelic Acid Catecholamine Determinations (Am. Soc. Clin. Pathol., Chicago, 1976) pp 1-81.

📄 详细内容

Derivative Type: DL-Form
Properties: Scales from ether + benzene, dec 131-133°; also reported as mp 134-135° (Goodman). uv max (0.1N HCl): 230, 279 nm (e 6320, 2810); (0.1N NaOH): 247, 285, 345 nm (e 6860, 3960, 630). Readily resinifies on heating or on prolonged exposure to air. Freely sol in water, acetone. Mod sol in ether, acetonitrile. Sparingly sol in benzene. Mass spectral data: T. R. Sharp, Org. Mass Spectrom.
15, 381 (1980).
Melting point: mp 134-135° (Goodman)
Absorption maximum: uv max (0.1N HCl): 230, 279 nm (e 6320, 2810); (0.1N NaOH): 247, 285, 345 nm (e 6860, 3960, 630)
Derivative Type: L-Form
Properties: Crystals, dec 152°. [a]D22 +128° (c = 0.7).
Optical Rotation: [a]D22 +128° (c = 0.7)
Derivative Type: D-Form
Properties: Crystals, dec 152°. [a]D23 -131°.
Optical Rotation: [a]D23 -131°
产品链接: 55-10-7››

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