Talk:Olefin metathesis
From Wikipedia, the free encyclopedia
What are the general conditions for this reaction? Which specific catalysts are used? -- Rune Welsh ταλκ 15:17, 5 October 2005 (UTC)
Request can someone who uderstands this add a plain english paragraph of why this disocery is important engough for a nobel prize?--Duk 17:18, 5 October 2005 (UTC)
- Maybe because they made an important contribution to the field of chemistry. Whether or not you understand it makes no difference. I hereby award you the Nobel Prize for Assholery. (Unsigned comment by User:Duesling)
- I guess I don't understand how asking for something to be explained, by someone who understands it, is being an asshole. Wikilove and happy editing! :) --Duk 00:46, 6 October 2005 (UTC)
Some information on what this is useful for would be nice. --Guthrie 11:53, 6 October 2005 (UTC)
Contents |
[edit] Reorganized article
I reorganized the article so the more basic, layman's information is first, followed by most of the technical jargon that would just drive off the average reader before they understand the significance of the reaction and why this particular bit of chemistry, among thousands of other discoveries, won a nobel prize.
Duesling, calm down, eh? This is an encyclopedia, not a chemistry journal. :)
— J’raxis (T) 01:57, 7 October 2005 (UTC)
[edit] Types of metathesis
"for the development of the metathesis method in organic synthesis"" was the reason for Nobel prize. Is olefin metathesis one type of metathesis or are these two things equal? -EnSamulili 09:52, 8 October 2005 (UTC)
- It's a type of metathesis. See alkyne metathesis. -- Rune Welsh ταλκ 10:10, 8 October 2005 (UTC)
[edit] Example
This is a stereoselective bu NOT an enantionselective reaction. Perhaps it is with a chiral catalystst but without chiral information it isn't!
- The title of the article in the footnote citation for that reaction is listed as "A Recyclable Chiral Ru Catalyst for Enantioselective Olefin Metathesis. Efficient Catalytic Asymmetric Ring-Opening/Cross Metathesis in Air", so one might presume that the catalyst for the reaction is indeed chiral. DMacks 18:10, 10 July 2006 (UTC)
[edit] 4 groups vs 2
In the formula in the leading paragraph, each reactants has 4 groups attached, and two from one reactant are exchanged for two from the other. In the explaining formula in the overview paragraph, each reactant has only two groups attached, and one is exchanged for one. This should be explained/harmonized. AxelBoldt 02:46, 3 September 2006 (UTC)
[edit] SHOP
- Olefin metathesis was first used in petroleum reformation for the synthesis of higher olefins in the Shell higher olefin process (SHOP) under high pressure and high temperatures.
The sentence is ambigous. It can mean
- (1) olefin metathesis was first used in SHOP, for petroleum reformation, or
- (2) the first use of olefin methathesis in petroleum reformulation was SHOP.
Also, does SHOP use a metal catalyst? AxelBoldt 03:04, 3 September 2006 (UTC)
[edit] Where is the article?
I can't seem to link from the Richard Schrock article to this one, but i get the message saying that I can put up a request for it, start it, look for it etc. Is the problem on my end or on the encyclopedi's end?
- A good link exists already at the top of para 3 of Richard Schrock to olefin metathesis.--Smokefoot 23:43, 18 September 2006 (UTC)
[edit] Metathesis; a word
Metathesis is basically just a word to describe the transfere of bonds between two chemically similar molecules, ie RCM "swapping" what is attached to the double bonds. Olefin metathesis is an archaic(? my spelling is crap) name for alkene metathesis--> this name ought to be changed. This page should also be a sub page of a main metathesis page. Alkene metathesis can be either ring opening, closing or polymeric, depending on what you do with it. Any references to Schrock in this article should be brief as he should be covered by alkyne metathesis. On an importance scale alkene metathesis is much better for organic synthesis. The reason Schrock and Grubbs won their nobel prizes was because they developed new, stereoselective ways of forming carbon-carbon bonds, this is (suprisingly) one of the hardest things to do. The chemistry they have pioneered is very elegant as it occurs at low temp and may be used in complex matrices such as peptides/proteins, no mean feat. So, this is quite a good page but is looking about 20 years behind in content. If you cared to look up Robinson/Eldaridi and/or Ghalit/Poot you would find prime examples of how metathesis is important. User:[Spgoo1] [User talk:Spgoo1|talk] • contribs) 10:56, 4 March 2007 (UTC).
