New optically active diporphyrin having a chiral cyclophane as a spacer

Chemistry Letters

Volumn , Issue 6, 1997, Pages 487-488

  Ema, Tadashi ^a   Misawa, Shigeharu ^a   Nemugaki, Shuichi ^a   Sakai, Takashi ^a   Utaka, Masanori ^a  

^a OKAYAMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0031493027     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1997.487     Document Type: Article

References (18)

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16. The MM2 force field with augmented parameters implemented in the CAChe system (ver. 3.8, Sony /Tektronix) was used. The sequential search was adopted for the four dihedral angles in the cyclophane moiety. Each structure obtained was further optimized with the above dihedral angles unrestrained to yield several stable conformers.
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