Tetrahydropalmatine synthesis
- Product Name:Tetrahydropalmatine
- CAS Number:2934-97-6
- Molecular formula:C21H25NO4
- Molecular Weight:355.43
![Benzeneethanamine, N-[(2,3-dimethoxyphenyl)methylene]-3,4-dimethoxy-](/CAS/20210305/GIF/109806-78-2.gif)
109806-78-2
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2934-97-6
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Yield:-
Steps:
Multi-step reaction with 7 steps
1: LiAlH4 / tetrahydrofuran / 2 h / 20 °C
2: 81 percent / Et3N / CH2Cl2 / 1.5 h / 0 °C
3: 91 percent / m-CPBA / CH2Cl2 / 1 h / 0 °C
4: 25 percent / CH3SO3H / CCl4 / 0.33 h / Heating
5: 90 percent / Raney Ni / ethanol / 2 h / Heating
6: POCl3; K2CO3 / acetonitrile / 0.67 h / 60 °C
7: NaBH4 / methanol / 1 h / Heating
References:
Hanaoka, Miyoji;Hirasawa, Taeko;Cho, Won Jea;Yasuda, Shingo [Chemical and Pharmaceutical Bulletin,2000,vol. 48,# 3,p. 399 - 404]
26067-60-7
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![8H-Dibenzo[a,g]quinolizin-8-one, 5,6,13,13a-tetrahydro-2,3,9,10-tetramethoxy-](/CAS/20210305/GIF/81701-50-0.gif)
81701-50-0
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2934-97-6
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![Dibenzo[a,g]quinolizinium, 5,6,8,13-tetrahydro-2,3,9,10-tetramethoxy-, chloride (1:1)](/CAS/20211123/GIF/75875-59-1.gif)
75875-59-1
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2934-97-6
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120-20-7
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2934-97-6
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