专利号:US-6252092-B1 优先权日:1999-04-30 标 题 :Process for synthesis of 5-alkylbenzodioxoles 发明人:BORZATTA VALERIO; BRANCALEONI DARIO; BATTISTINI CHRISTIAN 权利人:ENDURA SPA 摘要:The following description refers to a new process for the synthesis of 5-alkylated benzo[1,3]dioxole, comprising the following steps in sequence: catalytic hydrogenation of 4-acylphenol; acylation; displacement catalysed by Lewis acids; treatment with an inorganic basic compound and hydrogen peroxide; reaction with alkyl dihalides or dialkoxyalkanes. n The process described herein, which yields 5-alkylbenzo[1,3]dioxoles, is economic and can be easily scaled up to industrial size.
专利号:WO-2020255049-A1 优先权日:2019-06-20 标题:Process for the preparation and identification of deuterated eugenol 发明人:ORUGANTI SRINIVAS; AMRUTAPU SRAVANTH KUMAR; SAMPATH MAGESH; SEN SAIKAT 权利人:DR REDDY’S INST OF LIFE SCIENCES 摘要:The present invention provides a novel, simple, unique and viable processes for the synthesis of deuterium incorporated eugenols, such as deuterated eugenol (II), regioisomeric deuterated eugenol (III), and deuterated variant of methyl eugenol (V).
专利号:CN-117305200-A 优先权日:2023-07-03 标题 :A recombinant bacterium and its application in the synthesis of 3,4-dihydroxyphenylethylamine
专利号:EP-1048664-B1 优先权日:1999-04-30 标题:Process for the synthesis of 5-alkybenzodioxoles
专利号:EP-1048664-A2 优先权日:1999-04-30 标题:Process for the synthesis of 5-allybenzodioxoles
专利号:JP-2000336086-A 优先权日:1999-04-30 标题 :Synthesis of 5-alkylbenzodioxole
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