lumisteroln.
/l(j)uːˈmɪstərɒl/ Biochemistry.
A steroid alcohol, C28H44O, which is a stereo-isomer of ergosterol and occurs as an intermediate when this is converted to vitamin D2 by ultra-violet irradiation and warming.
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the world > matter > chemistry > organic chemistry > alcohols > [noun] > steroid alcohols > sterols > named
cinchol1885
cholesterol1894
phytosterol1898
sitosterol1898
stigmasterol1907
lanosterol1929
suprasterol1930
lumisterol1932
tachysterol1933
1932 Nature 20 Feb. 277/1 In lumisterol the crystals are fine needles with b as needle axis.
1949 W. H. Eddy Vitaminol. iii. 46 Lumisterol can be converted into calciferol and may form with it an addition compound consisting of one part lumisterol and one part calciferol... This addition compound..was called vitamin D1.
1967 W. R. Butt Hormone Chem. xi. 235 It has been established that acetate is the primary carbon source of cholesterol, there being probably about thirty separate reactions involved in the pathway through squalene and lumisterol to cholesterol.
1970 R. A. Morton Fat-soluble Vitamins 187 The compound originally called vitamin D1 was later found to be a mixture of ergocalciferol (D2) and lumisterol, a photodecomposition product of D2.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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n.1932