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Picture of (3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine

(3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine

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Origin: China

CasNo: 20881-04-3

specification: 99%min

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  • Products Specification
  • Description
  • Property

    CAS No.: 20881-04-3 Formula: C11H18O5 Molecular Weight: 230.25800

    Basic Info

    Chemical Name (3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine
    Synonyms

    1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose;
    1,2:3,5-Di-O-isopropylidene-D-xylofuranose;
    D-Xylose diacetonide;
    1,2:3,5-Di-O-isopropylidene-a-D-xylofuranose;
    1,2:3,5-Di-O-isopropylidene-α-D-xylofuranose;
    1,2﹕3,5-Di-O-isopropylidene-alpha-D-xylofuranose;

    CAS No. 20881-04-3
    Molecular Formula C11H18O5
    Molecular Weight 230.25800
    PSA 46.15000
    LogP 1.01430

    Properties

    Appearance & Physical State White crystalline powder
    Density 1.112 g/cm3
    Boiling Point 102-104ºC (2 mmHg) 272.2ºC at 760 mmHg
    Melting Point 42-46ºC
    Flash Point 103.7ºC
    Refractive Index 19 ° (C=3, Acetone)
    Water Solubility slightly soluble
    Storage Condition 0-6ºC
    Vapor Pressure 0.0103mmHg at 25°C

    Safety Info

    Safety Statements S24/25

    Synthesis Route

    D-Lyxofuranose (9CI)+acetone1,2-O-Isopropylidene-α-D-xylofuranose+(3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine
    L-arabinopyranose+acetone1,2-O-Isopropylidene-α-D-xylofuranose+(3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine
    aldehydo-D-xylose+Sulfuric acid1,2-O-Isopropylidene-α-D-xylofuranose+(3aR,4aR,8aS,8bR)-2,2,7,7-tetramethyl-4a,5,8a,8b-tetrahydro-3aH-[1,3]dioxolo[3,4]furo[1,3-d][1,3]dioxine

    Precursor

    acetone
    D-Lyxofuranose (9CI)
    L-arabinopyranose
    D-Xylose

    Downstream Product

    2,2-dimethyl-4-phenyl-1,3-dioxolane
    1,2-O-ISOPROPYLIDENE-5-O-TRIPHENYLMETHYL-α-D-XYLOFURANOSIDE
    thymidine
    L-arabinopyranose

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