2000 aldehyde derivatives

aldehyde derivatives (benzene compounds)Q 0340

43 - 099A Concise Route to 3-Hydroxy-4-methoxy-5-methylbenzaldehydeDerivative. — A facile route for the synthesis of the substituted benzalde-hyde (XII), an intermediate in the synthesis of the isoquinoline natural productssafracins and ecteinascidins, starting from dihydroxytoluene (I) is given.— (SAITO, NAOKI; TACHI, MASASHI; SEKI, RYU-ICHI; SUGAWARA,YAYOI; TAKEUCHI, ERI; KUBO, AKINORI; Synth. Commun. 30 (2000) 13,2407-2421; Dep. Pharm. Sci., Meiji Pharm. Univ., Kiyose, Tokyo 204, Japan;EN)

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