Pd0-catalyzed cyclization reaction of aryl or alk-1-enyl halides with 1,2-dienyl ketones: a general and efficient synthesis of polysubstituted furans
作者:Shengming Ma、Junliang Zhang
DOI:10.1039/a908627g
日期:——
Under catalysis by Pd0 and Ag2CO3, the reaction of 1,2-allenyl ketones and organic halides in PhMe using Et3N as the base provides a new general access to polysubstituted furans with good to excellent yields.
PIANCATELLI G.; SSETTRI A.; DAURIA M., TETRAHEDRON, 1980, 36, NO 5, 661-663
作者:PIANCATELLI G.、 SSETTRI A.、 DAURIA M.
DOI:——
日期:——
[EN] SURFACTANTS FROM BIO-BASED FEEDSTOCK<br/>[FR] TENSIOACTIFS À PARTIR D'UNE CHARGE D'ALIMENTATION D'ORIGINE BIOLOGIQUE
申请人:[en]NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO
公开号:WO2023048573A1
公开(公告)日:2023-03-30
The invention is directed to a hydrogenated Diels-Alder adduct according to formula (I) or a salt thereof wherein X is is H or an aliphatic moiety that is optionally substituted with one or more heteroatom-comprising substitutents such as hydroxyl, preferably CH2OH or H, more preferably H; R3is an aliphatic chain comprising at least 6 consecutive carbon atoms; Q1and Q2together or individually comprise one or more carboxylic acid moieties, sulfonic acid moieties, salts thereof and/or combinations thereof. In a further aspect, the invention is directed to intermediate compounds and methods to prepare the hydrogenated Diels-Alder adduct.