139339-16-5

Upstream product

• 139339-12-1 (1R,5S)-4-ethyl-6,6-dimethyl-3-(phenylsulfonyl)bicyclo<3.1.1>hept-3-en-2-one 
• 106-95-6 allyl bromide 
• 151052-99-2 (1R,5S)-3-Benzenesulfonyl-4-but-3-enyl-6,6-dimethyl-bicyclo[3.1.1]hept-3-en-2-one 
• 74-88-4 methyl iodide 
• 151053-01-9 (1R,5S)-4-But-3-enyl-6,6-dimethyl-3-phenylsulfanyl-bicyclo[3.1.1]hept-3-en-2-one 
• 151053-00-8 (1R,3R,4S,5R)-4-But-3-enyl-6,6-dimethyl-3-phenylsulfanyl-bicyclo[3.1.1]heptan-2-one 
• 139339-14-3 (1R,5S)-4-Ethyl-6,6-dimethyl-3-(phenylthio)bicyclo<3.1.1>hept-3-en-2-one 
• 151122-19-9 (1R,3R,4S,5R)-4-Ethyl-6,6-dimethyl-3-(phenylthio)bicyclo<3.1.1>heptan-2-one 
• 128261-64-3 (1R,5R)-6,6-Dimethyl-3-(phenylthio)bicyclo<3.1.1>hept-3-en-2-one 

Relevant academic research and scientific papers

Extracyclic Stereocontrolled Alkylation of (1R,5S)-4-Ethyl-6,6-dimethyl-3-(phenylsulfonyl)bicyclohept-3-en-2-one. A Highly Stereocontrolled Synthesis of (-)-Kanshone A

(1R,5S)-4-Ethyl-6,6-dimethyl-3-(phenylsulfonyl)bicyclohept-3-en-2-one (7) was prepared from (+)-nopinone (1) in six steps and 70percent overall yield via (1R,5R)-6,6-dimethyl-3-(phenylthio)bicyclohept-3-en-2-one (2).Alkylation reactions of 7