Helix-sense-controlled synthesis of optically active poly(methyl methacrylate) stereocomplexes

Journal of the American Chemical Society

Volumn 130, Issue 36, 2008, Pages 11889-11891

  Kawauchi, Takehiro ^a,c   Kitaura, Atsushi ^b   Kumaki, Jiro ^a,d   Kusanagi, Hiroshi ^a   Yashima, Eiji ^a,b  

^a JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^b NAGOYA UNIVERSITY   (Japan)

^c TOYOHASHI UNIVERSITY OF TECHNOLOGY   (Japan)

^d YAMAGATA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

POLY(METHYL METHACRYLATE);

ARTICLE; CHEMICAL REACTION; CIRCULAR DICHROISM; COMPLEX FORMATION; ENCAPSULATION; INFRARED SPECTROSCOPY; OPTICAL ROTATION; REACTION ANALYSIS; STEREOCHEMISTRY; SYNTHESIS;

EID: 51749119452     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja8048805     Document Type: Article

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19. Wulff et al reported an optically active it-PMMA bearing a stereogenic terminal end whose optical activity was enhanced after complexation with an achiral st-PMMA due to a stereocomplex formation: Wulff, G., Petzoldt, J., Angew. Chem., Int. Ed. Engl. 1991, 30, 849-850.
20. n = 21.8 kDa and mm:mr:rr = 97:3:0, in which m and r represent the it- and st-dyads of the meso and racemo sequences, respectively, and mm, mr and rr are the corresponding triad sequences.
21. 5
22. 8 in the presence of (R)- or (S)-1 followed by complete removal of the (R)-or (S)-1, and then isolated by centrifugation. See the Supporting Information.
23. 8 cavity.