Transition-Metal-Free Photoinduced Intramolecular Annulation of 2,3-Di(hetero)arylchromen-4-one

Jie Han; Tao Wang; Yong Liang; Ying Li; Chenchen Li; Rui Wang; Siqi Feng; Zunting Zhang

doi:10.1021/acs.orglett.7b01531

Transition-Metal-Free Photoinduced Intramolecular Annulation of 2,3-Di(hetero)arylchromen-4-one

Org Lett. 2017 Jul 7;19(13):3552-3555. doi: 10.1021/acs.orglett.7b01531. Epub 2017 Jun 15.

Authors

Jie Han¹, Tao Wang¹, Yong Liang¹, Ying Li¹, Chenchen Li¹, Rui Wang¹, Siqi Feng¹, Zunting Zhang¹

Affiliation

¹ Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, and School of Chemistry and Chemical Engineering, Shaanxi Normal University , Xi'an 710119, People's Republic of China.

PMID: 28617609
DOI: 10.1021/acs.orglett.7b01531

Abstract

An efficient transition-metal-free photoinduced intracyclization of 4H-chromen-4-ones in EtOH-H₂O (7:1, v/v) at ambient temperature for the construction of complicated fused-ring heteroaromatics is established. The reaction proceeds smoothly without requiring any catalysts/additives.

Publication types

Research Support, Non-U.S. Gov't