![](/CAS/20211123/GIF/333969-02-1.gif)
333969-02-1 synthesis
- Product Name:333969-02-1
- CAS Number:333969-02-1
- Molecular formula:C16H17NO3S
- Molecular Weight:303.38
Yield:333969-02-1 87%
Reaction Conditions:
in tetrahydrofuran at 60; for 3 h;Inert atmosphere;
Steps:
1.3; 2.3; 3.3
(3) Weigh 2.5 grams of 1-(4-sulfonylbutyl)-1,2-dihydrobenzo[c,d]indole tetrabutylammonium salt obtained in step 2,Measure 6ml of methylmagnesium chloride and dissolve it in 20ml of tetrahydrofuran with a graduated cylinder,Stir for 3h at 60°C under nitrogen atmosphere.After the reaction is complete, add hydrochloric acid to adjust the solution to neutral.Then add 15 ml of ether and 15 ml of ethanol, cool overnight at 0 degrees Celsius and recrystallize.1-(4-sulfonylbutyl)-2-methylbenzo[c,d]indole inner salt was obtained with a yield of 87%.
References:
CN112876873,2021,A Location in patent:Paragraph 0052; 0056; 0060; 0063; 0066; 0069
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