NDLI: Solvent-free reactions as green chemistry procedures for the synthesis of cosmetic fatty esters

Content Provider	Royal Society of Chemistry (RSC)
Author	Loupy, A. Grossi, G. C. Bargagna, A. Grippo, C. Villa, C. Mariani, E.
Copyright Year	2003
Abstract	Solid–liquid solvent-free phase transfer catalysis (PTC) and acidic catalysis in dry media were applied, as green chemistry procedures, to the synthesis under mild conditions of long chain aliphatic esters of interest in the cosmetic field. The reactions were performed under conventional heating and microwave activation, analysing the profiles of the temperature increases during the reactions and studying the yields at different reaction times. The selected esters were obtained with very good yields within short reaction times. Using Aliquat 336 as phase transfer agent, the results showed lower yields under classical heating for very short reaction times (5 min), but usually comparable to the yields obtained under microwave heating extending the reaction time up to 15 min. The simple heterogeneous mixture of reagents with catalytic amount of neat p-toluenesulfonic acid (PTSA) under classical heating leads to good results, similar to those obtained under microwave activation with regards to yields and reaction times (10 min for microwave activation/15 min for oil bath).
Starting Page	623
Ending Page	626
Page Count	4
File Format	HTM / HTML PDF
ISSN	14639262
Volume Number	5
Issue Number	5
Journal	Green Chemistry
DOI	10.1039/b306948f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	PTSA Phase-transfer catalyst Green chemistry Aliphatic compound Microwave chemistry Aliquat 336 Acid
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution

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