专利号:US-7253324-B1 优先权日:2007-01-23 标 题:Process for the synthesis of biologically active oxygenated compounds by dealkylation of the corresponding alkylethers 发明人:MAJEED MUHAMMED; THOMAS SAMUEL MANOHARAN; NAGABHUSHANAM KALYANAM; BALAKRISHNAN SIVAPRAKASH KURUM; PRAKASH SUBBALAKSHMI 权利人:SAMI LABS LTD 摘要:Alkoxy aromatic compounds are conveniently dealkylated to the corresponding phenolic compounds by treatment with aluminum chloride/N,N-dimethyl aniline complex. Aromatic poly O-demethylation is a unique feature of this invention. This process is applicable to the manufacture of polyphenols such as Resveratrol, Oxyresveratrol, Gnetol.
专利号:US-3869456-A 优先权日:1972-03-13 标 题 :Synthesis of 5-pyrimidinecarbinols 发明人:TAYLOR HAROLD M; DAVENPORT JAMES D; HACKLER RONALD E 权利人:LILLY CO ELI 摘要:There is disclosed an improved method of synthesizing 5pyrimidinecarbinols by the addition of an alkyllithium to a mixture of 5-halopyrimidine and a ketone at a low temperature. The product compounds are useful as plant fungicides and as plant growth regulators.
专利号:WO-2008091379-A1 优先权日:2007-01-23 标题 :A process for the synthesis of biologically active oxygenated compounds by dealkylation of the corresponding alkyllethers