Synlett 2012; 23(12): 1755-1758
DOI: 10.1055/s-0031-1289787
letter
© Georg Thieme Verlag Stuttgart · New York

Regioselective, Catalyst-Free, One-Step Synthesis of ABCD-Fused Hetero­cyclic Ring System, Closely Related to Circumdatin Alkaloids

Muhammad Yaqub*
a   Department of Chemistry, Bahauddin Zakariya University, Multan, Pakistan
,
Ruqayia Perveen
a   Department of Chemistry, Bahauddin Zakariya University, Multan, Pakistan
,
Zahid Shafiq
a   Department of Chemistry, Bahauddin Zakariya University, Multan, Pakistan
,
Humayun Pervez
a   Department of Chemistry, Bahauddin Zakariya University, Multan, Pakistan
,
Muhammad Nawaz Tahir
b   Department of Physics, University of Sargodha, Sargodha, Pakistan, Fax: +92(61)9210138   Email: mayaqub2@yahoo.com
› Author Affiliations
Further Information

Publication History

Received: 23 March 2012

Accepted after revision: 11 May 2012

Publication Date:
14 June 2012 (online)


Abstract

A novel method for the synthesis of tetracyclic fused-ring heterocycles, closely related to circumdatin alkaloids, is developed via regioselective reaction of heterocyclic ketene aminals (HKA) with 3-formylchromones.

Supporting Information