8193. Rhodoquinone

Nomenclature

CAS number: 5591-74-2
2-Amino-5-(3,7,11,15,19,23,27,31,35,39-decamethyl-2,6,10,14,18,22,26,30,34,38-tetracontadecaenyl)-3-methoxy-6-methyl-2,5-cyclohexadiene-1,4-dione; rhodoquinone-10.
C58H89NO3; mol wt 848.33.
C 82.12%, H 10.57%, N 1.65%, O 5.66%.

Description and references

Isoln from Rhodospirillum rubrum: Gloves, Threlfall, Biochem. J. 85, 14P (1962). Structure and synthesis: Moore, Folkers, J. Am. Chem. Soc. 87, 1409 (1965); 88, 567 (1966); Daves et al., ibid. 90, 5587 (1968).

Chemical structure

Properties

Violet needles, mp 70-71°. uv max (cyclohexane): 280, 500 nm (E1%1cm 154, 14).