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Vitamins
Vitamin A2
Другие языки:

Vitamin A2

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Vitamin A2 alcohol
Vitamin A2.svg
Names
IUPAC name
3,4-Didehydroretinol
Preferred IUPAC name
(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)nona-2,4,6,8-tetraen-1-ol
Other names
Retinol 2; 3,4-Dehydroretinol
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.001.116
EC Number
  • 201-226-4
KEGG
PubChem CID
UNII
  • InChI=1S/C20H28O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6-13,21H,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
    Key: XWCYDHJOKKGVHC-OVSJKPMPSA-N
  • CC1=C(C(CC=C1)(C)C)/C=C/C(=C/C=C/C(=C/CO)/C)/C
Properties
C20H28O
Molar mass 284.443 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Vitamin A2 is a subcategory of vitamin A.

Dehydroretinal (3,4-dehydroretinal) belongs to the group of vitamin A2 as a retinaldehyde form, besides the endogenous 3,4-dehydroretinol (vitamin A2 alcohol), and 3,4-dehydroretinoic acid (vitamin A2 acid).

Vitamin A2 was first identified by Richard Alan Morton using newly-developed absorption spectroscopy in 1941.


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