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Huperzine B

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Origin: China

Cas No: 103548-82-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 103548-82-9 Formula: C16H20N2O Molecular Weight: 256.34300

    Basic Info

    Chemical Name Huperzine B
    Synonyms

    HuperzineB;

    CAS No. 103548-82-9
    Molecular Formula C16H20N2O
    Molecular Weight 256.34300
    PSA 44.89000
    LogP 2.42090

    Properties

    Density 1.21g/cm3
    Boiling Point 533.5ºC at 760mmHg
    Flash Point 216.4ºC
    Refractive Index 1.623
    Vapor Pressure 1.84E-11mmHg at 25°C

    Synthesis Route

    (+)-PULEGONE→Huperzine B+(4aR,5S,10bR,12S)-12-methyl-2,3,4,4a,5,6-hexahydro-1H-5,10b-propano-1,7-phenanthrolin-8(7H)-one
    (R)-3-methyl-6-oxocyclohex-1-en-1-yl trifluoromethanesulfonate→Huperzine B+(4aR,5S,10bR,12S)-12-methyl-2,3,4,4a,5,6-hexahydro-1H-5,10b-propano-1,7-phenanthrolin-8(7H)-one
    tert-butyl (R)-(3-methyl-6-oxocyclohex-1-en-1-yl)carbamate→Huperzine B+(4aR,5S,10bR,12S)-12-methyl-2,3,4,4a,5,6-hexahydro-1H-5,10b-propano-1,7-phenanthrolin-8(7H)-one

    Precursor

    tert-butyl ((5S,9S)-2-methoxy-7-methyl-11-oxo-9,10-dihydro-5,9-methanocycloocta[b]pyridin-5(8H)-yl)carbamate
    tert-butyl (R)-(3-methyl-6-oxocyclohex-1-en-1-yl)carbamate
    (+)-PULEGONE
    (R)-3-methyl-6-oxocyclohex-1-en-1-yl trifluoromethanesulfonate

    Downstream Product

    7-Methylquinoline
    6-Methyl-2-hydroxypyridine

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