On the chemical ionization reactions of alkyl substituted cyclopropanes
β Scribed by A. Harry Andrist; Paul J. Gemperline; Hsiao-Chiung Chen
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 219 KB
- Volume
- 13
- Category
- Article
- ISSN
- 1076-5174
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## Abstract The chemical ionization spectra of linear alkyl halides with up to nine carbon atoms have been studied using water as protonating agent. An alkyl ion with the same number of carbon atoms as the halide is produced. With more than six carbon atoms in the chain, fragmentation becomes impor
The selectivity-determining step in enantioselective copper-catalyzed cyclopropanation with diazo compounds has been studied by experimental and computational methods. The addition of the very reactive metallacarbene intermediate in an early transition state to the substrate alkene is concerted but