CAS:188198-38-1   2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)
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  • CAS:188198-38-1   2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)

CAS:188198-38-1 2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)

NAME:2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI) CAS:188198-38-1 MF:C9H11NO MW:149.19 PURITY:98%

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Material Chemistry

Product introduction

NAME 2H-1-Benzopyran-4-amine,3,4-dihydro-,(4S)-(9CI)
CAS 188198-38-1
MF C9H11NO
MW 149.19
DENSITY 1.106±0.06 g/cm3
BP 237.4±39.0 °C
STORAGE 2-8°C

Description
Synthesis Analysis
The synthesis of "(S)-Chroman-4-amine" and its derivatives involves various strategies, including asymmetric syntheses which start from substituted chroman-4-ones. A highly enantioselective CBS reduction has been employed to give (S)-chroman-4-ols, which upon azide inversion and reduction yield crude (R)-chroman-4-amines. These can be purified as their (R)-mandelic or d-tartaric acid salts with good yields and excellent enantiomeric excesses

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