PolytheneSam (Master Searcher)
12-06-02 04:12
No 386685
      Epoxide to ketone using MgCl2  Bookmark   

MgCl2 works as a  catalyst for converting epoxides to ketones.



from Mono-Olefins, Chemistry and Technology by F. Asinger 1968

see also
Patent US4731482


http://www.geocities.com/dritte123/PSPF.html
The hardest thing to explain is the obvious
 
 
 
 
    Rhodium
(Chief Bee)
12-06-02 07:38
No 386734
      MgCl2  Bookmark   

Magnesium Chloride is significantly cheaper than Lithium Iodide - What is reference 47?

The Carlo Venturello patent above is the same as ../rhodium/chemistry /peroxotungstate.html
 
 
 
 
    starlight
(Hive Bee)
12-06-02 10:45
No 386795
      more available too  Bookmark   

A quick search on google shows that MgCl2 hexahydrate seems to have a few OTC sources.
 
 
 
 
    PolytheneSam
(Master Searcher)
12-06-02 12:35
No 386813
      reference 47  Bookmark   

47 refers to
H. Koch & H. Van Ray, Brennst.-Chemie 32, 161-74 (1951)
What is Brennst.-Chemie?

http://www.geocities.com/dritte123/PSPF.html
The hardest thing to explain is the obvious
 
 
 
 
    hypo
(Hive Addict)
12-06-02 12:43
No 386814
      a (good?) guess...  Bookmark   

brennstoff chemie
journal on combustibles and their refined products
 
 
 
 
    hypo
(Hive Addict)
12-07-02 12:07
No 387112
      ref?  Bookmark   

sam: are you sure that this is the right reference? i had a look through
the article (provided by lugh), but i couldn't find anything about
acetone or magnesium halides. the whole article is about isomerisation
equilibria of hexenes. (possible that i fell asleep during reading the
thing, the topic wasn't all too exciting...)
 
 
 
 
    PolytheneSam
(Master Searcher)
12-07-02 16:10
No 387142
      I'll have to check the book again.  Bookmark   

I'll have to check the book again.  Its at the library.

http://www.geocities.com/dritte123/PSPF.html
The hardest thing to explain is the obvious
 
 
 
 
    PolytheneSam
(Master Searcher)
12-09-02 18:52
No 387835
      47  Bookmark   

It appears that 47 refers to DE 1119246 and Chem. Abstr. 57, 7176i (1962)
Patent DE1119246
I must have looked at the end of the wrong chapter the last time.

From espacenet this appears to be the British equivalent:
Patent GB905821


http://www.geocities.com/dritte123/PSPF.html
The hardest thing to explain is the obvious
 
 
 
 
    PolytheneSam
(Master Searcher)
12-19-02 03:41
No 390673
      US 4734529 etc.  Bookmark   

Here's something which uses K or Na iodide and PEG.  MDP2P seems to be listed in table 1.
Patent US4734529

This looks interesting, too.
Patent US3935272 olefins to epoxides and ketones


http://www.geocities.com/dritte123/PSPF.html
The hardest thing to explain is the obvious
 
 
 
 
    Osmium
(Stoni's sexual toy)
12-19-02 14:25
No 390793
      Very interesting. They say that safrole-epoxide ...  Bookmark   

Very interesting. They say that safrole-epoxide can be isomerised to MDP2P with NaI/PEG in 80-90% conversion. Yield of end product, at least for isosafrol epoxide is lower however. Maybe it could be improved?

I'm not fat just horizontally disproportionate.