Issue 11, 2001
From the journal:

New Journal of Chemistry

Serendipitous, one-pot formation of 2,3,7-triphenylcyclopenta[c]pyran from 1,2-diphenylethanedione (“benzil”) and cyclopentadiene

Mircea D. Banciu,*a   Eduardo E. Castellano,b   Javier Ellena,b   Ionel Haiduc,*c   Constantin Draghicid  and  Alexandru T. Balabanae  

* Corresponding authors

a Laboratorul de Chimie Organicã, Universitatea “Politehnica” Bucuresti, Splaiul Independentei 313, Bucharest, Romania
E-mail: dm_banciu@chim.upb.ro

b Instituto de Fisica de São Carlos, Universidade de São Paulo, São Carlos-SP, Brazil

c Facultatea de Chimie, Universitatea “Babes-Bolyai”, RO-3400 Cluj-Napoca, Romania
E-mail: ihaiduc@chem.ubbcluj.ro

d Institutul de Chimie Organicã “C.D. Nenitzescu”, Academia Românã, Splaiul Independentei 202B, 71141 Bucharest, Romania

e Department of Chemistry, Texas A&M University of Texas at Galveston, TX 77553-1675, Galveston, U.S.A.

Abstract

The reaction of 1,2-diphenylethanedione (“benzil”) with cyclopentadiene in the presence of sodium methoxide unexpectedly afforded a novel 2,3,7-triphenyl derivative of the bicyclic cyclopenta[c]pyran. The structure was elucidated by physical methods (IR, UV/VIS, 1H-NMR, 13C-NMR MS) and a single-crystal X-ray analysis.

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Article information

DOI
https://doi.org/10.1039/B105878A
Article type
Paper
Submitted
03 Jul 2001
Accepted
21 Aug 2001
First published
26 Oct 2001

New J. Chem., 2001,25, 1472-1474

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Serendipitous, one-pot formation of 2,3,7-triphenylcyclopenta[c]pyran from 1,2-diphenylethanedione (“benzil”) and cyclopentadiene

M. D. Banciu, E. E. Castellano, J. Ellena, I. Haiduc, C. Draghici and A. T. Balaban, New J. Chem., 2001, 25, 1472 DOI: 10.1039/B105878A

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