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Picture of (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate

(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate

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Origin: China

CasNo: 204254-96-6

specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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  • Products Specification
  • Description
  • Quick Details

    CAS No.:
    204254-96-6
    Other Names:
    (1S,5R,6S)-ethyl 5-(pentan-3-yloxy)-7-
    MF:
    C14H22O4
    EINECS No.:
    204254-96-6
    Place of Origin:
    Anhui, China
    Type:
    Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates
    Purity:
    99%
    Brand Name:
    GSK
    Model Number:
    204254-96-6
    Application:
    Chemical
    Appearance:
    White Endocardial pocket
    Packing:
    1kg/Alu bag or 25kg/Drum
    Molecular Weight:
    254.32g/mol
    Grade:
    Phamaceutical Grade
    Shelf life:
    Aluminum foil bag

    Packaging&Delivery

    Packaging Details
    1kg/Alu bag or 25kg/Drum
    Packing method :Woven bag or draft paper bag atteched polyethylene endometrium bag packing tightly or as buyer request
    Port
    Any mainly port in China
    Lead Time:
    Quantity(Kilograms)1 - 25>25
    Est. Time(days)3To be negotiated
  • Property

    CAS No.: 204254-96-6 Formula: C14H22O4 Molecular Weight: 254.32200

    Description

    An intermediate of Oseltamivir.

    Basic Info

    Chemical Name (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate
    Synonyms

    ethyl(3R,4R,5S)-4,5-epoxy-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid;
    (1S,5R,6S)-5-(1-Ethyl-propoxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester;
    [1s-(1a,5b,6a)]-5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester;
    ETHYL(3R,4S,5S)-4,5-EPOXY-3-(1-ETHYL-PROPOXY)-CYCLOHEX-1-ENE-1-CARBOXYLATE;
    7-Oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid,5-(1-ethylpropoxy)-,ethyl ester,(1S,5R,6S);
    ETHYL(3R,4S,5S)-4,5-EPOXY-3-(1-ETHYL-PROPOXY)-CYCLOHEX-1-ENE-1-CARBOXYLATE(INTERMEDIATE OF OSELTAMIVIR PHOSPHATE );
    Ethyl (1S,5R,6S)-5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate;
    Ethyl (3R,4S,5S)-4,5-Epoxy-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate;
    EEC epoxide;

    CAS No. 204254-96-6
    Molecular Formula C14H22O4
    Molecular Weight 254.32200
    PSA 48.06000
    LogP 2.22080

    Properties

    Appearance & Physical State White to off-white solid
    Density 1.09g/cm3
    Boiling Point 336.495ºC at 760 mmHg
    Melting Point 56-57ºC
    Flash Point 145.075ºC
    Refractive Index 1.492
    Vapor Pressure 0mmHg at 25°C

    Synthesis Route

    ethyl (3R,4R,5R)-3-(1-ethyl-propoxy)-4-hydroxy-5-methanesulfonyloxycyclohex-1-ene-1-carboxylate(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate
    ethyl (3aR,7R,7aR)-2,2-dimethyl-7-methanesulfonyloxy-3a,6,7,7a-tetrahydrobenzo[1,3]dioxole-5-carboxylate(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate
    ethyl 3,4-O-isopropylidene-5-O-(methansulfonyl)shikimate(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate

    Precursor

    ethyl (3aR,7R,7aR)-2,2-dimethyl-7-methanesulfonyloxy-3a,6,7,7a-tetrahydrobenzo[1,3]dioxole-5-carboxylate
    Quinic acid
    ethyl 3,4-O-isopropylidene-5-O-methanesulfonyl quinate
    ethyl (3R,4R,5R)-3-(1-ethyl-propoxy)-4-hydroxy-5-methanesulfonyloxycyclohex-1-ene-1-carboxylate

    Downstream Product

    (1R,5R,6R)-5-(1-Ethylpropoxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester
    oseltamivir phosphate
    oseltamivir
    Ethyl(3R,4R,5S)-4-N-AcetaMido-5-azido-3- (1-ethylpropoxy)-1-cyclohexene-1-carboxylate

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