83988-54-9

Basic information

• Product Name: 2-(norborn-5-en-2-yl)ethyltoluene-4-sulphonate
• Synonyms: 2-(norborn-5-en-2-yl)ethyltoluene-4-sulphonate
• CAS NO: 83988-54-9
• Molecular Weight: 292.399
• Mol File: 83988-54-9.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: 2-(norborn-5-en-2-yl)ethyltoluene-4-sulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: 2-(norborn-5-en-2-yl)ethyltoluene-4-sulphonate(83988-54-9)
• EPA Substance Registry System: 2-(norborn-5-en-2-yl)ethyltoluene-4-sulphonate(83988-54-9)

Safety Data

• Hazardous Substances Data: 83988-54-9(Hazardous Substances Data)

Upstream product

• 825-71-8 2-(bicyclo[2.2.1]hept-5-en-2-yl)acetic acid 
• 13080-91-6 2-(norborn-5-en-2-yl)ethanol 
• 98-59-9 p-toluenesulfonyl chloride 
• 50626-34-1 5-(Tosyloxymethyl)bicyclo<2.2.1>hept-2-ene 
• 2903-75-5 (1S,2S,4S)-Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid methyl ester 
• 15507-06-9 5-norbornene-2-methanol 
• 17016-12-5 5-(Bromomethyl)bicyclo<2.2.1>hept-2-ene 
• 3048-64-4 5-vinyl-bicyclo[2.2.1]hept-2-ene 
• 13080-91-6 2-[bicyclo[2.2.1]hept-5-en-2-yl]ethanol 

Relevant articles and documents

Useful Synthetic Routes to Pure exo-5-Vinyl-2-norbornene and endo-5-Vinyl-2-norbornene

Hydroboration of 5-vinyl-2-norbornene (1) with 9-BBN mainly affords 5-(2-hydroxyethyl)-2- norbornene (2).The iodo ether cyclization of 2 can convert only endo-5-(2-hydroxyethyl)-2-norbornene (2b) to iodo ether 10, followed by reductive elimination and subsequent dehydration to furnish endo-5-vinyl-2-norbornene (1b) which has not been isolated in pure form.Meanwhile, unreacted exo-5-(2-hydroxyethyl)-2-norbornene (2a) produces exo-5-vinyl-2-norbornene (1a) via dehydration.

Acid-catalysed Lactonisation and Iodolactonisation of Norbornene-carboxylic Acids

The acid-catalysed lactonisation of 3-(norborn-5-en-2-yl)propionic acid and 4-(norborn-5-en-2-yl)butyric acid affords 3-(2-exo-hydroxynorborn-2-endo-yl)propionic acid spiro-γ-lactone and 4-(2-exo-hydroxynorborn-2-endo-yl)butyric acid spiro-δ-lactone, resp