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Kazuto Takaishi

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Name:
Organization: Seikei University
Department: RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan, Department of Materials and Life Science
Title:
Binaphthyl-based chiral macrocyclophanes with variously sized cavities: Dn-symmetrical structure constructed from unidirectionally-inclined rod segments
Co-reporter:Kazuto Takaishi, Tatsuya Yabe, Masanobu Uchiyama, Akihiro Yokoyama
Tetrahedron 2014 70(3) pp: 730-734
Publication Date(Web):
DOI:10.1016/j.tet.2013.11.081
Fusion of Photochromic Reaction and Synthetic Reaction: Photoassisted Cyclization to Highly Strained Chiral Azobenzenophanes
Co-reporter:Kazuto Takaishi ; Masuki Kawamoto ; Atsuya Muranaka ;Masanobu Uchiyama
Organic Letters () pp:
Publication Date(Web):June 13, 2012
DOI:10.1021/ol300992d
A method for synthesizing highly strained cyclic structures by combining photochromic and synthetic reactions is described. Tightly linked azobenzene–binaphthyl dyads (R)-4 and (R)-6 could not be obtained by conventional cyclization, but continuous application of photoirradiation, which induced (E)→(Z) isomerization of the azobenzene moiety, allowed the cyclization reaction to proceed, affording the desired chiral azobenzenophanes.
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2H-3,1-Benzoxazine-2,4(1H)-dione, 1-(1-methylethyl)-
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