5-METHOXY-2 3 3-TRIMETHYL-1-(4-SULFOBUTY synthesis
- Product Name:5-METHOXY-2 3 3-TRIMETHYL-1-(4-SULFOBUTY
- CAS Number:54136-27-5
- Molecular formula:C16H23NO4S
- Molecular Weight:325.42
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Yield:54136-27-5 1.9 g
Reaction Conditions:
in toluene at 120; for 50 h;
Steps:
9.1 (1) Synthesis of 5-methoxy-1-(4-sulfonyloxybutyl)-2,3,3-trimethyl-3H-decalinium salt (2-1):
5-methoxy-2,3,3-trimethyl-3H-indole (2g, 10.6mmol) with1,4-butyl sultone (4.3 g, 31.7 mmol) was dissolved in 40 mL of toluene.The temperature was raised to 120 ° C and refluxed for 50 h.After the reaction, the mixture was filtered to give an off-white solid.Purified by column chromatography to give a pale yellow solid2-1 1.9g.
References:
CN108752319,2018,A Location in patent:Paragraph 0106; 0108; 0109; 0110
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