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Tandem cyclization-[3+3] cycloaddition reactions of 2-alkynylbenzaldoxime: synthesis of fused 1,2-dihydroisoquinolines |
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| Authors: | Qiuping Ding Zhiyong Wang |
| Affiliation: | a Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China b State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China c Analytical Centre for Physics and Chemistry, Jiangxi Normal University, 437 West Beijing Road, Nanchang 330027, China |
| Abstract: | Tandem cyclization-[3+3] cycloaddition of 2-alkynylbenzaldoximes with dimethyl cyclopropane-1,1-dicarboxylate co-catalyzed by AgOTf and Yb(OTf)3 is described, which provides an useful method for the synthesis of tetrahydro-1,2-oxazine fused 1,2-dihydroisoquinolines. |
| Keywords: | 2-Alkynylbenzaldoxime Dimethyl cyclopropane-1,1-dicarboxylate 1,2-Dihydroisoquinoline Silver triflate Yetterbium triflate |
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