115692-71-2

Basic information

• Product Name: (S)-2-(3-bromobut-2-enyl)-2-methylcyclohex-1-yl 2,4,6-trimethylbenzoates
• CAS NO: 115692-71-2
• Molecular Weight: 393.364
• Mol File: 115692-71-2.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: (S)-2-(3-bromobut-2-enyl)-2-methylcyclohex-1-yl 2,4,6-trimethylbenzoates(CAS DataBase Reference)
• NIST Chemistry Reference: (S)-2-(3-bromobut-2-enyl)-2-methylcyclohex-1-yl 2,4,6-trimethylbenzoates(115692-71-2)
• EPA Substance Registry System: (S)-2-(3-bromobut-2-enyl)-2-methylcyclohex-1-yl 2,4,6-trimethylbenzoates(115692-71-2)

Safety Data

• Hazardous Substances Data: 115692-71-2(Hazardous Substances Data)

Upstream product

• 938-18-1 mesitylene-2-carboxylic acid chloride 
• 115692-66-5 (S)-(-)-2-(trans-but-2-enyl)-2-methylcyclohexanone 
• 115692-70-1 (S)-(2-trans-but-2-enyl)-2-methylcyclohexyl 2,4,6-trimethylbenzoate 
• 1728-38-7 methyl enol ether of 2-methylcyclohexanone 

Downstream Products

• 127939-00-8 (S)-2-(but-2-ynyl)-2-methylcyclohexanols 
• 115692-67-6 (S)-2-(but-3-ynyl)-2-methylcyclohexanols 
• 108-67-8 1,3,5-trimethyl-benzene 
• 4087-39-2 (S)-(+)-4,4a,5,6,7,8-hexahydro-4a-methyl-2(3H)-naphthalenone 
• 115692-68-7 (S)-2-(but-3-ynyl)-2-methylcyclohexanone 
• 91306-29-5 (S)-2-methyl-2-(3-oxobutyl)-cyclohexanone 
• 83606-10-4 (R)-2-butyl-2-methylcyclohexanone 

Relevant articles and documents

Chiral 2,2-Disubstituted Cyclohexanones; Annulation via Claisen Rearrangement Products

The methyl enol ether of 2-methylcyclohexanone reacts regiospecifically with the optical active forms of but-3-yn-2-ol and but-3-en-2-ol. (R)-But-3-yn-2-ol yields an approximately 4:1 mixture of (R)-2-methyl-2-(R-buta-1,2-dienyl)cyclohexanone and the corresponding SR compound.By contrast the but-3-en-2-ol reaction is ca. 96percent enantioselective; (R)-but-3-en-2-ol gives (R)-2-(trans-but-2-enyl)-2-methylcyclohexanone and (S)-but-3-en-2-ol gives the corresponding (S)-cyclohexanone.These Claisen rearrangement products have been transformed into Robinson-type annulated ketones.Cleavage of some highly hindered esters has been carried out efficiently by sodium methylsulphinyl-methanide in dimethyl sulphoxide.