Friedel-Craft acylation using envirocats.

[Vitus_Verdegast]

Journal of the Chinese Chemical Society, 2000, 47, 1243-1246:

Envirocats, as Novel Solid-Supported Catalysts for Friedel-Crafts Acylation

Babasaheb P. Bandgar* and Suhas P. Kasture
Organic Chemistry Research Lab., School of Chemical Sciences, Swami Ramanand,
TeerMarathwada University, Vishnupuri, Nanded-431606, Maharashtra, India


The Friedel-Crafts acylation reactions of substituted benzenes with acid chloride or anhydrides proceeded smoothly in the presence of a catalytic amount of novel solid-supported reagents such as EPZG, EPZ10, EPIC and EPZE. These catalysts are reusable and environmentally friendly.


Full text :

http://www.sinica.edu.tw/~ccswww/zj-OR-2000-P1243.PDF

"ENVIROCATS (EVC's) are an environmentally benign, commercially viable alternative to conventional Friedel-Crafts, Bronsted acid and oxidation catalysts. "

http://www.contract-chemicals.com/envirocats/default.html

[GC_MS]

Envirocats can be used in many chemical processes as catalyst. Check the website of the official distributor. Can even be used as Henry catalyst (temperatures +/- 100°C and reaction times 10-30 min, yields 80-95%).

[Vitus_Verdegast]

I'll try to dig this one up tomorrow:

B. P. Bandgar, M. B. Zirange and P. P. Wadgaonkar.
Envirocat EPZG® as a New Heterogeneous Catalyst for the Efficient Synthesis of Conjugated Nitroolefins
Synlett. Feb 1996, pp. 149-150.

[Rhodium]

Synlett 149-150 (1996)

(https://www.thevespiary.org/rhodium/Rhodium/pdf/nitroalkenes.envirocat.epzg.pdf)

[Vitus_Verdegast]

     

[Rhodium]

No problem:

Post 363228

(Rhodium: "Free Online Chemistry & Medicinal Journals", Novel Discourse)