Ethane-1,2-di(sulfonyl chloride) synthesis
- Product Name:Ethane-1,2-di(sulfonyl chloride)
- CAS Number:31469-08-6
- Molecular formula:C2H4Cl2O4S2
- Molecular Weight:227.09
5325-43-9
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Yield:31469-08-6 8.31 g
Reaction Conditions:
with phosphorus pentachloride in water;ethyl acetate at 90; for 3 h;
Steps:
S.I.1 Synthesis Example I-1
Synthesis Example I-1 [Synthesis of 2-propynyl vinylsulfonate] [0185] 8.14 g (34. 8 mmol) of disodium 1, 2-ethanedisulfonate and 17.38 g (83.5 mmol) of phosphorus pentachloride were stirred at 90°C for 3 hours. After the reaction, this was cooled to 5°C, 30 ml of water was carefully added to the reaction product and filtered, and the filtrate was concentrated under reduced pressure to give 8.31 g of 1,2-ethanedisulfonic acid dichloride.
References:
EP2883867,2015,A2 Location in patent:Paragraph 0185
629-17-4
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