ChemicalBook CAS DataBase List 3'',4'':5',6'] diindeno[1,2-b:1',2'-b']dithiophene-4,7(12H)-dione

3'',4'':5',6'] diindeno[1,2-b:1',2'-b']dithiophene-4,7(12H)-dione synthesis

4synthesis methods

Product Name:3'',4'':5',6'] diindeno[1,2-b:1',2'-b']dithiophene-4,7(12H)-dione
CAS Number:1361061-14-4
Molecular formula:C39H42O2S2
Molecular Weight:606.88

3-Thiophenecarboxylic acid, 2,2'-(9,9-dioctyl-9H-fluorene-2,7-diyl)bis-, 3,3'-diethyl ester

1233702-52-7
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3'',4'':5',6']
diindeno[1,2-b:1',2'-b']dithiophene-4,7(12H)-dione

1361061-14-4
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Yield:1361061-14-4 41.3%

Reaction Conditions:

Stage #1: 2,7-bis(3-ethoxycarbonyl-2-thienyl)-9,9-dioctylfluorenewith oxalyl dichloride in dichloromethane;N,N-dimethyl-formamide at 20; for 12 h;
Stage #2: with aluminum (III) chloride in dichloromethane at 0 - 20; for 3 h;Friedel-Crafts Acylation;

References:

Tang, Xuejiao;Liao, Haitao;Zheng, Tao;Yin, Pan;Cao, Jing;Zeng, Xiaoying;Weng, Chao;Shen, Ping [Chemistry - A European Journal,2021,vol. 27,# 58,p. 14508 - 14519] Location in patent:supporting information

2,2′-(9,9-Dioctyl-9H-fluorene-2,7-diyl)bis[3-thiophenecarboxylic acid]

1361061-12-2
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1361061-14-4
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References

196207-58-6 Synthesis

(2,7-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-9,9-DIOCTYLFLUORENE)

196207-58-6
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$37.50/250mg

1361061-14-4
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References

198964-46-4
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$16.00/5g

1361061-14-4
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References