![](/CAS/GIF/188198-38-1.gif)
2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI) synthesis
- Product Name:2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)
- CAS Number:188198-38-1
- Molecular formula:C9H11NO
- Molecular Weight:149.19
![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
1000210-73-0
0 suppliers
inquiry
![2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)](/CAS/GIF/188198-38-1.gif)
188198-38-1
80 suppliers
$60.00/50 mg
Yield:-
Steps:
Multi-step reaction with 2 steps
1: NaBH4+tetrahydrofurfuryl alcohol / (S,S)-Co(II) complex catalyst (C46H50N2O4Co) / ethanol; CHCl3 / 4 h / 0 °C
2: HCl / methanol / 3 h / 25 °C
References:
Sugi, Kiyoaki D.;Nagata, Takushi;Yamada, Tohru;Mukaiyama, Teruaki [Chemistry Letters,1997,# 6,p. 493 - 494]
![4-Chromanone](/CAS/GIF/491-37-2.gif)
491-37-2
287 suppliers
$6.00/1g
![2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)](/CAS/GIF/188198-38-1.gif)
188198-38-1
80 suppliers
$60.00/50 mg
![4-Chromanone](/CAS/GIF/491-37-2.gif)
491-37-2
287 suppliers
$6.00/1g
![2H-1-Benzopyran-4-amine,3,4-dihydro-,(4R)-(9CI)](/CAS/GIF/210488-55-4.gif)
210488-55-4
76 suppliers
$60.00/10 mg
![2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)](/CAS/GIF/188198-38-1.gif)
188198-38-1
80 suppliers
$60.00/50 mg
![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
1000210-73-0
0 suppliers
inquiry
![2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)](/CAS/GIF/188198-38-1.gif)
188198-38-1
80 suppliers
$60.00/50 mg
![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
1000210-73-0
0 suppliers
inquiry
![2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)](/CAS/GIF/188198-38-1.gif)
188198-38-1
80 suppliers
$60.00/50 mg