83821-41-4

Upstream product

• 104-87-0 4-methyl-benzaldehyde 
• 80090-41-1 Diethyl benzothiophen-3-ylphosphonate 
• 622-97-9 1-ethenyl-4-methylbenzene 
• 6287-82-7 2,3-dibromobenzo[b]thiophene 

Downstream Products

• 4567-43-5 2-methyl-benzo[b]naphtho[2,1-d]thiophene 

Relevant academic research and scientific papers

Efficient synthesis of functionalized 2,3-Di(alkenyl)benzothiophenes and dibenzothiophenes based on the first heck reactions of 2,3-Di- and 2,3,6-tribromobenzothiophene

Alkenyl-substituted benzothiophenes were prepared by the first Heck reactions of 2,3-di- and 2,3,6-tribromobenzo-thiophene. Functionalized dibenzothiophenes were prepared based on domino twofold Heck-6- electrocyclization reactions.

The Synthesis of the Monomethyl Isomers of Benzonaphththiophene

All isomers of the monomethylbenzonaphththiophenes were synthesized using photocyclization of 3-styrylbenzothiophenes.The 1-, 3-, 4-, and 5-methylbenzonaphthothiophenes were synthesized by irradiation of the corresponding methylated