Vitus_Verdegast (Hive Bee)
04-06-03 07:11
No 424310
      Friedel-Craft acylation using envirocats.  Bookmark   

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

http://www.geocities.com/Hollywood/Set/6240/belakrlf.jpg
 
 
 
 
    GC_MS
(Hive Addict)
04-06-03 08:15
No 424311
      envirocats  Bookmark   

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 +/- 100C and reaction times 10-30 min, yields 80-95%).

The faster you run, the quicker you die.
 
 
 
 
    Vitus_Verdegast
(Hive Bee)
04-06-03 10:52
No 424345
      yep, seen it  Bookmark   

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.

http://www.geocities.com/Hollywood/Set/6240/belakrlf.jpg
 
 
 
 
    Rhodium
(Chief Bee)
04-06-03 14:30
No 424385
      Envirocat EPZG  Bookmark   

Synlett 149-150 (1996) (../rhodium/pdf /nitroalkenes.envirocat.epzg.pdf)
 
 
 
 
    Vitus_Verdegast
(Hive Bee)
04-06-03 14:45
No 424388
      Rhodium!!  Bookmark   

smilesmilesmilesmile

http://www.geocities.com/Hollywood/Set/6240/belakrlf.jpg
 
 
 
 
    Rhodium
(Chief Bee)
04-06-03 15:04
No 424394
      Just register a new name each month...  Bookmark   

No problem: Post 363228 (Rhodium: "Free Online Chemistry & Medicinal Journals", Novel Discourse)