Valorization of Madagascar’s CNSL via the synthesis of one advanced intermediate (3-Pentadecylcyclohexanone)
摘要:
A unique advanced intermediate: 3-Pentadecylcyclohexanone was synthetized from the crude product which contained a mixture of cardanol, cardol and 2-methylcardol, which was hydrogenated onto Pd/C at 80 degrees C. From this alkylated cyclohexanone: C15 alkylated adipic acid, caprolactam, caprolactone, were synthetized in high yields, such products may have many potentially applications in polymer chemistry. The condensation of the 3-pentadecyl-cyclohexanone and triethylene glycol in oxidative or reductive conditions gave aryl ether and cyclohexyl ether, this may be a way to prepare intermediate for surfactant chemistry. Therefore we show that Cashew Nut Shell Liquid (CNSL) may lead to numerous useful compounds thank to the preparation of a unique advanced intermediate. (C) 2017 Elsevier Ltd. All rights reserved.
Synthesis of bio-based surfactants from cashew nutshell liquid in water
作者:Valentina Bragoni、Raja K. Rit、Robin Kirchmann、A. Stefania Trita、Lukas J. Gooßen
DOI:10.1039/c8gc01686k
日期:——
3-Pentadecylcyclohexylamines were synthesised via Pd/C-catalysed reductive amination of crude cashewnutshellliquid, an underused waste product, with hydrogen in water. The short, modular, and waste-minimised synthetic approach enables access to structurally diverse neutral, cationic, and zwitterionic tenside derivatives.
1,1-bis(4-aminophenyl)-3-alkylcyclohexanes and method of preparation thereof
申请人:Council of Scientific and Industrial Research
公开号:US06790993B1
公开(公告)日:2004-09-14
The present invention relates to new aromatic diamines. More particularly, the present invention relates to new aromatic diamines prepared from cashew nut shell liquid (CNSL), which is a renewable resource material. The present invention particularly relates to novel 1,1-bis(4-aminophenyl)-3-alkylcyclohexanes and to a method for their preparation.
1,1-Bis(4-hydroxyphenyl)-3-alkylcyclohexanes, method for their preparation and polycarbonates prepared therefrom
申请人:General Electric Company
公开号:US06255439B1
公开(公告)日:2001-07-03
1,1 -Bis(4-hydroxyphenyl)-3-alkylcyclohexanes, as illustrated by 1,1-bis (4-hydroxyphenyl)-3-pentadecylcyclohexane, are prepared by hydrogenating a composition comprising 3-alkylphenols to the corresponding cyclohexanol, oxidizing the cyclohexanol to a cyclohexanone and contacting the cyclohexanone with phenol in the presence of an acidic catalyst. The preferred 3-alkylphenols are those derived from cashew nut shell liquid. The products can be used to prepare polycarbonates.