期刊
ULTRASONICS SONOCHEMISTRY
卷 13, 期 1, 页码 24-27出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultsonch.2004.12.004
关键词
aminosulfonic acid; ultrasound; bis(indolyl)methanes; synthesis
Synthesis of bis(indolyl)methanes via electrophilic substitution reactions of indoles with aromatic aldehydes and ketones catalyzed by aminosulfonic acid was carried out in 23-96% yield at 30-38 degrees C in EtOH aqueous solution under ultrasound irradiation. (c) 2005 Elsevier B.V. All rights reserved.
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