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Theoretical and experimental study on the in-plane SN2-type substitution reaction of haloalkenes with inversion of configuration at the sp2 carbon
被引:32
作者:
Ando, K
[1
]
Kitamura, M
Miura, K
Narasaka, K
机构:
[1] Univ Ryukyus, Coll Educ, Okinawa 9030213, Japan
[2] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan
关键词:
D O I:
10.1021/ol049119t
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
The intramolecular in-plane S(N)2 type reaction of haloalkene E-8a was predicted to be a facile process for the first time by DFT calculations (B3LYP/6-31+G(d),SCRF(dipole, solvent = DMF)) (DeltaG = 14.4 kcal/mol). The prediction was confirmed experimentally. When E-8a was treated with NaH in DMF, benzofuran was obtained in 95% yield. On the other hand, Z-8a was recovered quantitatively even after heating at 110 degreesC.
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页码:2461 / 2463
页数:3
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