Vinyl radical cyclization via addition of tin radicals to triple bonds: 3-methylene-4-isopropyl-1,1-cyclopentanedicarboxylic acid, dimethyl ester
CAS index name: 1,1-Cyclopentanedicarboxylic acid, 3-methylene-4-(1-methylethyl)-, dimethyl ester
Organic SynthesesCyclization
A checked procedure from Organic Syntheses, the journal whose preparations are repeated in a second laboratory before publication. The full experimental, with amounts, hazards and characterisation data, is on orgsyn.org.
Reagents
The compound this preparation makes is not in the catalogue, so no reagents or figures are listed here.
More cyclization reactions
- [3+2]-Anionic electrocyclization using 2,3-bis(phenylsulfonyl)-1,3-butadiene: trans-4,7,7-tricarbomethoxy-2-phenylsulfonylbicyclo[3.3.0]oct-1-ene
- [3 + 4] Annulation using a [β-(trimethylsilyl)acryloyl]silane and the lithium enolate of an α,β-unsaturated methyl ketone: (1R,6S,7S)-4-(tert-butyldimethylsiloxy)-6-(trimethylsilyl)bicyclo[5.4.0]undec-4-en-2-one
- (E)-1-Benzyl-3-(1-iodoethylidene)piperidine: nucleophile-promoted alkyne-iminium ion cyclizations
- Conjugate addition–cyclization of a cyanocuprate: 2-carbomethoxy-3-vinylcyclopentanone
- Cyclobutanone via solvolytic cyclization
- Cyclopentadiene annulation via the Skattebøl rearrangement: (1R)-9,9-dimethyltricyclo-[6.1.1.02,6]deca-2,5-diene