Structurally Isomerized Bis-Biphenyl Moieties Embedded in Hexaphyrin( and Octaphyrin(

Sangya Chitranshi, Mainak Das, B. Adinarayana, Won Young Cha, Dongho Kim, A. Srinivasan

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


An o-p-biphenyl moiety-incorporated 32πhexaphyrin( is successfully achieved. Replacing ortho with meta connectivity in the biphenyl unit of hexaphyrin leads to the formation of its structural isomer, octaphyrin( Spectral and structural analyses reveal the lack of planarity in hexaphyrin and the presence of an m-arene unit in octaphyrin, thus affording nonaromatic characteristics.

Original languageEnglish
Pages (from-to)1081-1085
Number of pages5
JournalOrganic Letters
Issue number3
Publication statusPublished - 2020 Feb 7

Bibliographical note

Funding Information:
A.S. thanks NISER, Department of Atomic Energy, and SERB (EMR/2017/2932) for financial support. S.C. and M.D. thank NISER for the fellowship. The authors thank Dr. Pankaj Kalita (NISER) for determining the crystal structures of 4 ·2H + and 8 and Mr. Subhyan Chakraborty (NISER) for useful discussion regarding NMR.

Publisher Copyright:
Copyright © 2020 American Chemical Society.

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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