Enantioselective Polymerization of 1,2‐Diisocyanoarenes—Synthesis of Optically Active, Helical Poly(quinoxaline‐2,3‐diyl)s
Enantioselective Polymerization of 1,2‐Diisocyanoarenes—Synthesis of Optically Active, Helical Poly(quinoxaline‐2,3‐diyl)s
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1,2-二异氰基芳烃的对映选择性聚合——光学活性螺旋聚(喹喔啉-2,3-二基)的合成
DOI：
10.1002/anie.199215091
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发表时间：
1992
影响因子：
--
通讯作者：
M. Murakami
中科院分区：
文献类型：
--
作者：
Y. Ito*;E. Ihara;M. Murakami
从合适的1，2-二异氰基芳烃和手性钯配合物反式[PdBrCH3)L urn：x-Wiley：05700833：Medium：ANIE199215091：tex2gif-STACK-1]合成了具有聚合活性的螺旋五聚体1。以非对映异构体纯1为聚合引发剂，以1，2-二异氰基芳烃为原料，对映选择性地合成了螺旋聚喹恶烷二基化合物。L*=PPh[(S)-2-甲基丁基]
The helical pentamer 1, active in polymerizations, was obtained from the appropriate 1, 2‐dgaiisocyanoarene and the chiral Pd complex trans‐[PdBr (CH 3) L urn: x-wiley: 05700833: media: ANIE199215091: tex2gif-stack-1]. With diastereomerically pure 1 as the polymerization initiator helical polyquinoxalinediyls can be prepared enantioselectively from 1, 2‐diisocyanoarene. L*= PPh [(S)‐2‐methylbutyl] 2.