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decarboxylation 英/ ?di?kɑ??b?ks??le???n / 美/ ?di?kɑ?r?bɑ?ks??le???n / - 1
化学 脱羧 A convenient method of synthesis of melatonin using1,3-dibromopropare as main starting material was studied. It consisted of five steps including diazotization, Fischer cyclization, ring opening, decarboxylation, and acetylation with 27.8% total yield. 研究了一种合成松果体素的简便方法，以1，3-二溴丙烷为起始原料，经过重氮化，Fischer环化，开环和脱羧以及乙酰化等5步反应，制备得到松果体素，总收率达27.8％，并研究了合成过程中的Fischer反应。 脱羧酌
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