Monatshefte fur Chemie p. 1213 - 1216 (1982)
Update date:2022-08-17
Topics:
Haeusler, Johannes
Meldrum's acid (2) is acylated by diketen affording the acyl Meldrum's acid 3.In aqueous bicarbonate its 3-oxogroup is selectively reduced by sodium tetrahydroborate giving the alcohol 4, which readily undergoes cyclization in refluxing dioxane leading to the title pyrone 7.Under identical conditions 3 produces the pyrone 6 with the pyrone carboxylic acid 5 as intermediate. - Keywords: Acyl Meldrum's acid; Ring closure; Selective reduction
View More
Contact:+1-973-357-0577
Address:10 Taft Rd.
Hubei Xinghuo Chemical Co., Ltd.,
Contact:13925817279 13907299441
Address:Xinghuo Fine Chemistry Industrial Park, Xiaochang County, Hubei Province, China
Contact:+86-574- 87178138; 87297407
Address:No. 809, Liudingxingzuo, cangsong road, Ningbo, China
Changzhou Kingyo Chemical Corporation Ltd.
website:http://www.kingyochem.com
Contact:+86-519-85105717
Address:19# Wuqing North Road, Changzhou , Jiangsu, China
ShiJiaZhuang Dowell Chemical Co.,Ltd.
website:http://www.dowechem.com
Contact:+86-13463963265
Address:Xiyangling village, high tech Zone, Shijiazhuang，Hebei, China
Doi:10.1016/j.bmcl.2021.127820
(2021)Doi:10.1021/ja067364x
(2007)Doi:10.1002/adsc.201300266
(2013)Doi:10.1021/ol036512a
(2004)Doi:10.1021/om5003528
(2014)Doi:10.1021/jm980727m
(1999)
