Synthesis 2022; 54(18): 4005-4014
DOI: 10.1055/a-1828-1767
paper

CsF-Promoted Iodocyclization of Allenylphosphonates: A Convenient Approach to Highly Functionalized Oxaphospholenes

Le Guo
a   Inner Mongolia Key Laboratory of Fine Organic Synthesis, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. of China
b   College of Chemical Engineering, Ordos Institute of Technology, Ordos 017000, P. R. of China
,
Yanpeng Gao
b   College of Chemical Engineering, Ordos Institute of Technology, Ordos 017000, P. R. of China
,
Yingjie Li
b   College of Chemical Engineering, Ordos Institute of Technology, Ordos 017000, P. R. of China
,
Yue Wang
b   College of Chemical Engineering, Ordos Institute of Technology, Ordos 017000, P. R. of China
,
Weilong Li
b   College of Chemical Engineering, Ordos Institute of Technology, Ordos 017000, P. R. of China
,
Shufeng Chen
a   Inner Mongolia Key Laboratory of Fine Organic Synthesis, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. of China
› Author Affiliations
This work was supported by the National Natural Science Foundation of China (21662025), National College Student Innovation and Entrepreneurship Training Program (202014532005, 202114532003, 202114532009), Ordos Institute of Technology Project (KYYB2020007).


Abstract

A convenient CsF-promoted iodocyclization reaction of trisubstituted allenylphosphonates with iodine to construct highly functionalized oxaphospholene derivatives has been developed. A series of readily available starting materials including ferrocenylallenes, aromatic and alkyl substituted allenes can undergo the process successfully.

Supporting Information



Publication History

Received: 10 December 2021

Accepted after revision: 19 April 2022

Accepted Manuscript online:
19 April 2022

Article published online:
09 June 2022

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