4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione

Modify Date: 2024-02-19 20:57:21

4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione Structure
4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione structure
Common Name 4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione
CAS Number 56968-86-6 Molecular Weight 166.13100
Density 1.543g/cm3 Boiling Point 275.6ºC at 760 mmHg
Molecular Formula C8H6O4 Melting Point N/A
MSDS N/A Flash Point 134.7ºC

 Names

Name 4-hydroxy-5-oxocyclohepta-1,3,6-triene-1-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.543g/cm3
Boiling Point 275.6ºC at 760 mmHg
Molecular Formula C8H6O4
Molecular Weight 166.13100
Flash Point 134.7ºC
Exact Mass 166.02700
PSA 74.60000
LogP 0.45060
Index of Refraction 1.645

 Synthetic Route

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4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione Structure

4-(dihydroxymet...

CAS#:56968-86-6

Literature: Cook et al. Journal of the Chemical Society, 1954 , p. 530,533

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4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione Structure

4-(dihydroxymet...

CAS#:56968-86-6

Literature: Cook et al. Journal of the Chemical Society, 1952 , p. 4416,4419 Journal of the Chemical Society, 1954 , p. 530,534

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4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione Structure

4-(dihydroxymet...

CAS#:56968-86-6

Literature: Johns et al. Journal of the Chemical Society, 1955 , p. 309,312

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4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione Structure

4-(dihydroxymet...

CAS#:56968-86-6

Literature: Horino, Hiroshi; Inoue, Naoto; Asao, Toyonobu Tetrahedron Letters, 1981 , vol. 22, p. 741 - 744

 Synonyms

4-hydroxy-5-oxo-cyclohepta-1,3,6-trienecarboxylic acid
5-(dihydroxymethylidene)cyclohepta-3,6-diene-1,2-dione
4-(dihydroxymethylidene)cyclohepta-2,5-diene-1,7-dione
5-carboxytropolone
4-Hydroxy-5-oxo-cyclohepta-1,3,6-triencarbonsaeure