1217503-07-5

Basic information

• Product Name: (5,5'-(2,5-dibromo-1,4-phenylene)bis(4-bromothiophene-5,2-diyl))bis(trimethylsilane)
• Synonyms: (5,5'-(2,5-dibromo-1,4-phenylene)bis(4-bromothiophene-5,2-diyl))bis(trimethylsilane)
• CAS NO: 1217503-07-5
• Molecular Weight: 702.314
• Mol File: 1217503-07-5.mol
• Article Data: 6

Chemical Properties

• CAS DataBase Reference: (5,5'-(2,5-dibromo-1,4-phenylene)bis(4-bromothiophene-5,2-diyl))bis(trimethylsilane)(CAS DataBase Reference)
• NIST Chemistry Reference: (5,5'-(2,5-dibromo-1,4-phenylene)bis(4-bromothiophene-5,2-diyl))bis(trimethylsilane)(1217503-07-5)
• EPA Substance Registry System: (5,5'-(2,5-dibromo-1,4-phenylene)bis(4-bromothiophene-5,2-diyl))bis(trimethylsilane)(1217503-07-5)

Safety Data

• Hazardous Substances Data: 1217503-07-5(Hazardous Substances Data)

Upstream product

• 1217503-06-4 2,2'-(2,5-dibromo-1,4-phenylene)bis(3-bromothiophene) 
• 63262-06-6 1,4-dibromo-2,5-diiodobenzene 
• 106-37-6 1.4-dibromobenzene 
• 1569453-20-8 2-bromo-5-(trimethylsilyl)-1-(trimethylstannyl)thiophene 
• 18246-28-1 2-bromo-5-trimethylsilylthiophene 
• 75-77-4 chloro-trimethyl-silane 

Relevant articles and documents

Germaindacenodithiophene based low band gap polymers for organic solar cells

We report the first synthesis of a fused germaindacenodithiophene monomer and its polymerisation with 2,1,3-benzothiadiazole by Suzuki polycondensation. The resulting polymer, PGeTPTBT, is semicrystalline, despite the presence of four bulky 2-ethylhexyl g

HETEROCYCLIC COMPOUND AND ORGANIC SOLAR CELL COMPRISING THE SAME

The present specification relates to a heterocyclic compound and an organic solar cell comprising the same. In addition, the organic solar cell comprises: a first electrode; a second electrode provided on the opposite side of the first electrode; and one

Benzobis(silolothiophene)-based low bandgap polymers for efficient polymer solar cells

Two new low bandgap copolymers that contain a thiophene-phenylene-thiophene fused ring in which the linked carbon atoms are replaced by silicon atoms were designed and synthesized. A facile synthetic method was developed to synthesize the benzobis(silolothiophene) donor unit in high yield. 2-Bromothiophene was lithiated by LDA and subsequently quenched with trimethylsilyl chloride, yielding colorless oil. Further lithiation of 2 with LDA and then reaction with 2-isopropoxy-4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolane afforded 3 in 52% yields. After lithiation of 5 by n-BuLi, cyclization with dichlorodialkylsilane was performed to get the disilole 6 in 76% yields. Low band gap polymers PBSTBT and PBSTDTBT were obtained though a Stille reaction between monomer and 4,7-dibromo-2,1,3-benzothiadiazole or 4,7-bis(2-bromo-5-thienyl)-2,1,3- benzothiadiazole, using Pd(PPh3)4 as catalyst in toluene. The AFM images of the blended films containing both polymer and PC 71BM showed rather smooth morphology with small phase segregation.