121133-08-2Relevant academic research and scientific papers
Stereospecific Phenylthio Migrations in the Synthesis of Spirocyclic Lactones and Ethers from N-Methyl-4-Piperidone and Quinuclidin-3-one
Coldham, Iain,Warren, Stuart
, p. 2303 - 2308 (2007/10/02)
Single diastereoisomers of spirocyclic lactones and ethers have been prepared using intramolecular attack by the oxygen atom of a hydroxy or ester group onto an episulfonium ion.The sulfur group migrates with complete stereospecificity to give the saturat
STEREOCHEMICALLY CONTROLLED SYNTHESIS OF SPIROCYCLIC LACTONES AND ETHERS FROM N-METHYL-4-PIPERIDONE AND 3-QUINUCLIDINONE BY PHENYLTHIO MIGRATION
Coldham, Iain,Collington, Eric W.,Hallett, Peter,Warren, Stuart
, p. 5321 - 5324 (2007/10/02)
Phenylthio migration coupled to stereoselective aldol reactions provides single diastereoisomers of allylic sulphides and spirocyclic tetrahydrofurans and butenolides based on the piperidine and quinuclidine skeletons.
