Rhodium-Catalyzed Oxidative Cyclization of Arylphosphonic Acid Monoethyl Esters with Alkenes: Efficient Synthesis of Benzoxaphosphole 1-Oxides
作者:Taekyu Ryu、Jaeeun Kim、Youngchul Park、Sanghyuck Kim、Phil Ho Lee
DOI:10.1021/ol401775t
日期:2013.8.2
Rhodium-catalyzed tandem oxidative alkenylation and an intramolecular oxy-Michael reaction were developed using arylphosphonicacid monoethyl esters and alkenes under aerobic conditions, which produced benzoxaphosphole 1-oxides in good to excellent yields.
NOVEL PHOSPHININE OXIDE DERIVATIVE AND PREPARATION METHOD THEREOF
申请人:KNU-INDUSTRY COOPERATION FOUNDATION
公开号:US20150344506A1
公开(公告)日:2015-12-03
Provided are a novel phosphinine oxide derivative and a preparation method thereof, and more specifically, the phosphinine oxide derivative includes an oxaphosphinine oxide derivative and an azaphosphinine oxide derivative.
The phosphinine oxide derivative according to the present invention may have a pharmacological activity and a physiological activity, and may be used as a basic framework of a natural product and may be used for development of new drug and synthesis of various medical supplies.
In addition, according to the preparation method of the phosphinine oxide derivative according to the present invention, various phosphinine oxide derivatives with a high yield may be prepared by a simple synthesis process using an intramolecular annulation between a phosphinic derivative and an alkyne derivative in the presence of a rhodium (Rh) catalyst or a ruthenium (Ru) catalyst and an oxidant.
Synthesis of Dihydrophosphaisocoumarins through a Palladium-Catalyzed Oxidative Cyclization of Arylphosphonic Acid Monoethyl Esters with 1,3-Dienes
作者:Jeong-Yu Son、Hyunseok Kim、Woo Hyung Jeon、Yonghyeon Baek、Boram Seo、Kyusik Um、Kooyeon Lee、Phil Ho Lee
DOI:10.1002/adsc.201700742
日期:2017.9.18
ins and their derivatives was developed through a palladium-catalyzed oxidative cyclization reaction of a wide range of arylphosphonic acid monoethyl esters with activated and unactivated 1,3-dienes, including 1-aryl-substituted 1,3-dienes and 1-alkyl-substituted 1,3-dienes, thus opening a new avenue for the synthesis of phosphaheterocyclic compounds.