ICCAS OpenIR
Optically active cyclic and linear poly(aryl esters) based on chiral 1,1 '-bi-2-naphthol
Gong, AJ; Liu, WH; Chen, YM; Zhang, X; Chen, CF; Xi, F
1999-06-04
Source PublicationTETRAHEDRON-ASYMMETRY
ISSN0957-4166
Volume10Issue:11Pages:2079-2086
AbstractThree optically active poly(aryl esters)-poly(terephthalyl esters) (PTEs), poly(isophthalyl esters) (PIEs) and o-phthaloyl ester (OPE)-were prepared from chiral 1,1-bi-2-naphthol reacted with terephthaloyl chloride (TPC), isophthaloyl chloride (IPC) and o-phthaloyl chloride (OPC), respectively, by condensation reactions. The ring-forming properties of 1,1'-bi-2-naphthol with the three biacid chlorides have been studied. It is found that the products formed by the optically active binaphthol and TPC are mainly linear poly(terephthalyl esters) (PTEs), while the polycondensates of the chiral binaphthol and IPC consist of both cyclic and linear PIEs, and the product formed by optically active binaphthol and OPC is a wholly monocyclic o-phthaloyl ester (OPE), i.e. 1,1-bi-2-naphthyl o-phthalate. The pure optically active cyclic dimer, trimer and tetramer of PIEs were successfully separated from their product mixture by preparative TLC. The specific rotations [alpha](D)(25) were +210 and -214.8 for the cyclic (R)- and (S)-dimer of PIEs, +177.2 and -179.1 for the cyclic (R)- and (S)-trimer of PIEs and +80.3 and -80.8 for the (R)- and (S)-tetramer of PIEs, respectively. Their characterizations were carried out by MALDI-TOF MS, GPC, CD, etc. (C) 1999 Elsevier Science Ltd. All rights reserved.
Indexed ByIC ; SCI
Language英语
WOS IDWOS:000081832200006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75432
Collection中国科学院化学研究所
Corresponding AuthorXi, F
Affiliation1.Chinese Acad Sci, Inst Chem, PCLCC, Polymer Chem Lab, Beijing 100080, Peoples R China
2.China PetroChem Corp, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Gong, AJ,Liu, WH,Chen, YM,et al. Optically active cyclic and linear poly(aryl esters) based on chiral 1,1 '-bi-2-naphthol[J]. TETRAHEDRON-ASYMMETRY,1999,10(11):2079-2086.
APA Gong, AJ,Liu, WH,Chen, YM,Zhang, X,Chen, CF,&Xi, F.(1999).Optically active cyclic and linear poly(aryl esters) based on chiral 1,1 '-bi-2-naphthol.TETRAHEDRON-ASYMMETRY,10(11),2079-2086.
MLA Gong, AJ,et al."Optically active cyclic and linear poly(aryl esters) based on chiral 1,1 '-bi-2-naphthol".TETRAHEDRON-ASYMMETRY 10.11(1999):2079-2086.
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