The reaction between a carbene and an alkene to form a cyclopropane is about as simple a reaction as one can get. But I discussed before how simple little molecules (cyclopropenyl anion) can hold surprises. So consider this reaction:
Archive for June, 2012
The direct approach is not always the best: ethene + dichlorocarbene
Tuesday, June 12th, 2012Transition state models for Baldwin dig(onal) ring closures.
Sunday, June 10th, 2012This is a continuation of the previous post exploring the transition state geometries of various types of ring closure as predicted by Baldwin’s rules. I had dealt with bond formation to a trigonal (sp2) carbon; now I add a digonal (sp) example (see an interesting literature variation).