Structure

Caronic anhydride

CAS
67911-21-1
Catalog Number
ACM67911211
Category
COVID-19 Drug Raw Materials
Molecular Weight
140.14
Molecular Formula
C7H8O3

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Specification

Synonyms
6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione
IUPAC Name
6,6-dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione
Canonical SMILES
CC1(C2C1C(=O)OC2=O)C
InChI
InChI=1S/C7H8O3/c1-7(2)3-4(7)6(9)10-5(3)8/h3-4H,1-2H3
InChI Key
QKAHKEDLPBJLFD-UHFFFAOYSA-N
Boiling Point
137 °C 14mmHg
Melting Point
53-57 °C
Appearance
Solid

Upstream Synthesis Route 1

  • 497-42-7
  • 67911-21-1

Reference: [1] Journal of the American Chemical Society, 2010, vol. 132, # 33, p. 11414 - 11415
[2] Patent: WO2007/75790, 2007, A1, . Location in patent: Page/Page column 27-28
[3] Patent: WO2009/73380, 2009, A1, . Location in patent: Page/Page column 27

Upstream Synthesis Route 2

  • 474429-71-5
  • 67911-21-1
  • 2102-46-7

Reference: [1] Russian Journal of Organic Chemistry, 2002, vol. 38, # 4, p. 511 - 518

Upstream Synthesis Route 3

  • 936-87-8
  • 67911-21-1

Reference: [1] Angewandte Chemie, 1984, vol. 96, # 1, p. 55 - 56
[2] Liebigs Annalen der Chemie, 1989, p. 703 - 712

Upstream Synthesis Route 4

  • 936-87-8
  • 67911-21-1

Reference: [1]Journal of the Chemical Society,1899,vol. 75,p. 54
Journal of the Chemical Society,1901,vol. 79,p. 753
[2]Journal of the Chemical Society,1899,vol. 75,p. 54
Journal of the Chemical Society,1901,vol. 79,p. 753
[3]Bulletin de la Societe Chimique de France,1914,vol. <4>15,p. 750
[4]Bulletin de la Societe Chimique de France,1914,vol. <4>15,p. 750

Downstream Synthesis Route 1

  • 67911-21-1
  • 56613-80-0
  • 86331-39-7

Reference: [1]Chemistry Letters,1983,p. 385 - 388

* For details of the synthesis route, please refer to the original source to ensure accuracy.

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