Comments on: The stereochemical origins of the Wittig reaction. http://www.ch.imperial.ac.uk/rzepa/blog/?p=7444 Chemistry with a twist Wed, 22 May 2013 12:37:04 +0000 hourly 1 http://wordpress.org/?v=3.5.1 By: Alkene metathesis springs a surprise. « Henry Rzepa http://www.ch.imperial.ac.uk/rzepa/blog/?p=7444&cpage=1#comment-11314 Alkene metathesis springs a surprise. « Henry Rzepa Mon, 01 Oct 2012 06:30:23 +0000 http://www.ch.imperial.ac.uk/rzepa/blog/?p=7444#comment-11314 [...] bond is formed from appropriate reactants where no bond initially exists (another example is the Wittig reaction), with the involvement† of a 4-membered-ring metallacyclobutane ring 1 (again, very similar to [...]

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