Synlett 2017; 28(18): 2453-2459
DOI: 10.1055/s-0036-1588488
cluster
© Georg Thieme Verlag Stuttgart · New York

(HMe2SiCH2)2: A Useful Reagent for B(C6F5)3-Catalyzed Reduction–Lactonization of Keto Acids: Concise Syntheses of (–)-cis-Whisky and (–)-cis-Cognac Lactones

Hengmu Xie
a   Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, P. R. of China   Email: zhenleisong@scu.edu.cn
,
Ji Lu
a   Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, P. R. of China   Email: zhenleisong@scu.edu.cn
,
Yingying Gui
a   Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, P. R. of China   Email: zhenleisong@scu.edu.cn
,
Lu Gao
a   Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, P. R. of China   Email: zhenleisong@scu.edu.cn
,
a   Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, P. R. of China   Email: zhenleisong@scu.edu.cn
b   State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin, 300071, P. R. of China
› Author Affiliations
We are grateful for financial support from the National Natural Science Foundation of China (21290180, 21622202, 21502125).
Further Information

Publication History

Received: 23 April 2017

Accepted after revision: 10 June 2017

Publication Date:
19 July 2017 (online)


Published as part of the Cluster Silicon in Synthesis and Catalysis

Abstract

(HMe2SiCH2)2 has been utilized as a useful reagent for B(C6F5)3-catalyzed reduction–lactonization of keto acids to synthesize γ- and δ-lactones. The process led concisely to (–)-cis-whisky and (–)-cis-cognac lactones in respective overall yields of 32% and 36%.

Supporting Information