134306-75-5

Upstream product

• 16520-62-0 4-Phenyl-1-butyne 
• 1458-98-6 2-methyl-3-bromo-1-propene 
• 134306-64-2 2-(3-phenylpropionylmethylseleno)benzothiazole 
• 20845-80-1 1-chloro-4-phenylbutan-2-one 
• 3277-89-2 phenethylmagnesium bromide 
• 134306-72-2 2-<2-hydroxy-2-(2-phenylethyl)-4-methyl-4-pentenylseleno>benzoyhiazole 

Relevant academic research and scientific papers

Tertiary amine-accelerated allylgallation of terminal alkynes

Allylic gallium sesquibromides prepared by reduction of allylic bromides with gallium metal in the presence of a catalytic amount of indium, add to terminal alkynes with the aid of a tertiary amine to give 1,4-dienes.

Preparation of 1,4-Dienes from 2-(2-Hydroxyalkylseleno)benzothiazoles by the Reaction Involving Se -> O Azaaromatic Ring Rearrangement

The reactions of 2-(2-oxoalkylseleno)benzothiazoles with allylic Grignard reagents in the presence of BF3*OEt2 gave the corresponding 2-benzothiazoles which, on treatment with Ph3P and NaH, afforded 1,4-dienes in good to excellent yields.

Preparation of 1,4-Dienes from 2-(2-Hydroxyalkylseleno)benzothiazoles by the Reaction involving Se->O Aza-aromatic Ring Rearragement

The reaction of 2-(acylmethylseleno)benzothiazoles with allylic Grignard reagents in the presence of BF3*OEt2 gave the corresponding 2-(2-hydroxyalkylseleno)benzothiazoles which, on treatment with NaH and Ph3P, afforded 1,4-dienes in good to excellent yields.