Synthesis and stereochemistry of 1H,5H-naphtho[1,8-ef][1,3]dithiocine 2-oxides

被引:0
|
作者
Kikilo, PA [1 ]
Khairutdinov, BI [1 ]
Shtyrlin, YG [1 ]
Klochkov, VV [1 ]
Klimovitskii, EN [1 ]
机构
[1] Kazan VI Lenin State Univ, Butlerov Chem Inst, Kazan 420111, Tatarstan, Russia
关键词
D O I
10.1007/s11178-005-0297-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
3-Substituted 1H,5H-naphtho[1,8-ef][1,3]dithiocines (R. = H, Me, Ph, t-Bu) were oxidized with m-chloroperoxybenzoic acid to the corresponding 2-oxides having trans configuration (R : H). According to C the H-1 and C-13 NMR data (including NOESY experiments), the disubstituted compounds at room temperature exist in a boat conformation with equatorial orientation of the substituent on C-3 and oxygen atom on S-2. The compound with no substituent on C3 gives rise to a mixture of boat conformers with axial and equatorial sulfoxide oxygen atoms at a ratio of 83:17.
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收藏
页码:1089 / 1092
页数:4
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