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21764-22-7

(3R)-3,4,5,6,6aα,7,8,9-Octahydro-2,2,6α,9β-tetramethyl-3,9aβ-methano-2H-cyclopent[b]oxocin, also known as liguloxide, is a guaiane-type sesquiterpene oxide featuring a ditertiary ether bridge. Its structure and absolute configuration were determined through chemical derivatization, microbial hydroxylation, and correlation with the known compound guaioxide. The molecule exhibits a complex tricyclic framework with specific stereochemistry at multiple centers, including the (3R) and (9aβ) positions, as confirmed by epimerization and oxidation studies.

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  • 21764-22-7 Structure

  • Basic information

    1. Product Name: Liguloxide
    2. Synonyms: (3R)-3,4,5,6,6aα,7,8,9-Octahydro-2,2,6α,9β-tetramethyl-3,9aβ-methano-2H-cyclopent[b]oxocin;Liguloxide
    3. CAS NO:21764-22-7
    4. Molecular Formula: C15H26O
    5. Molecular Weight: 222.36634
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 21764-22-7.mol

  • Chemical Properties

    1. Melting Point: 36 °C
    2. Boiling Point: 262.9±8.0 °C(Predicted)
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 0.97±0.1 g/cm3(Predicted)
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: Liguloxide(CAS DataBase Reference)
    10. NIST Chemistry Reference: Liguloxide(21764-22-7)
    11. EPA Substance Registry System: Liguloxide(21764-22-7)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 21764-22-7(Hazardous Substances Data)

21764-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21764-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,6 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21764-22:
(7*2)+(6*1)+(5*7)+(4*6)+(3*4)+(2*2)+(1*2)=97
97 % 10 = 7
So 21764-22-7 is a valid CAS Registry Number.

21764-22-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name liguloxide

1.2 Other means of identification

Product number -
Other names (1S,2R,5R,6S,9R)-2,6,10,10-Tetramethyl-11-oxa-tricyclo[7.2.1.01,5]dodecane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:21764-22-7 SDS

21764-22-7Downstream Products

21764-22-7Relevant articles and documents

Stereoselective Reduction of α-Iodospirolactones. Total Synthesis of (+/-)-Liguloxide.

Lee, Eun,Lee, Dae Sung,Choi, Yoon Whan,Lee, Kwang Ho

, p. 6673 - 6676 (2007/10/02)

Radical-mediated reduction of α-methyl-α-iodospirolactones yielded trans-α-methylspirolactones selectively.This reaction was used in the total synthesis of (+/-)-liguloxide.

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