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Tandem addition-cyclization reaction catalyzed by ytterbium chloride:An efficient one-step synthesis of 2-amino-4H-3,1-benzothiazine
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作者 HUANG Jie YU Yong +3 位作者 HUA Lu YAO ZhiGang XU Fan SHEN Qi 《Science China(Technological Sciences)》 SCIE EI CAS 2013年第3期717-723,共7页
A clean,efficient method to synthesize 2-amino-4H-3,1-benzothiazines by ytterbium chloride-catalyzed tandem addition-cyclization reaction of o-aminocinnamate and isothiocyanates under solvent-free conditions is develo... A clean,efficient method to synthesize 2-amino-4H-3,1-benzothiazines by ytterbium chloride-catalyzed tandem addition-cyclization reaction of o-aminocinnamate and isothiocyanates under solvent-free conditions is developed. 展开更多
关键词 2-amino-3 1-benzothiazine ytterbium chloride catalysis tandem reaction
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