ChemicalBook CAS DataBase List 4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene

4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene synthesis

8synthesis methods

Product Name:4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene
CAS Number:1209012-31-6
Molecular formula:C16H10S2
Molecular Weight:266.38

s-Indaceno[1,2-b:5,6-b']dithiophene-4,9-dione

1209012-30-5
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4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene

1209012-31-6
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Yield:1209012-31-6 60%

Reaction Conditions:

with hydrazine hydrate;potassium hydroxide in diethylene glycol at 180; for 24 h;

Steps:

1.1 Preparation of Compound A-1

4,9-dihydro-S-indaceno- [1,2-b: 5,6-b '] - dithiophene-4,9- Hydrazine monohydrate (40.05 g, 800 mmol) and potassium hydroxide (44.89 g, 800 mmol) were added to a solution of 4- Mmol) were mixed in diethylene glycol (250 mL), and the mixture was heated at 180 for 24 hours. Thereafter, the above heating was poured into ice-containing ice, followed by washing with water and acetone, filtration to recover the precipitate, and vacuum drying to obtain 4.9-dihydro-S-indaceno- [ 1,2-b: 5,6-b '] - dithiophene (yield: 4,9-dihydro-S-indaceno- [Yield- 60%)

References:

KR2016/97766,2016,A Location in patent:Paragraph 0127-0130

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References