Carbenes react with ethers by three major pathways; carbon-hydrogen insertion, carbonoxygen uinsertion\*f and cleavage of one of the groups originally attached to the ether oxygen.
The reaction of dicarbomethoxycarbene with cyclobutene.Vinylcyclopropane formation from the triplet state
โ Scribed by Michael E. Hendrick; Maitland Jones Jr.
- Book ID
- 104246217
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 210 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Labelling studies of the conversion of (5, RI= Rz= Me) to ( 9) on reaction with methyl lithium are consistent with an intermediate (4, RI= Rz= Me) or a carbenoid with no plane of symmetry through the ring, in which selective migration of Ha (Hb and Hd in (I, RI= Rz= Me)) occurs.
Reaction of dilithiated benzylacetylene PhCH(Li)-C C-Li with one equivalent of an isothiocyanate RN C S followed by successive addition of t-BuOH, a solution of t-BuOK in DMSO and methyl iodide gives exclusively a cyclobutene or a thietane derivative if R=t-Bu or Ph, respectively, and mixtures of th