1946
DOI: 10.1021/ja01211a510
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Crystalline Vitamin a Methyl Ether

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1947
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Cited by 10 publications
(3 citation statements)
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“…These widely differing results pose a real problem for the analyst. Under what conditions is it safe to report such values as 1742 (11), 27,450 (19), 4954 (23), and 14,704 (24), which imply accuracy to within 0.1% relative analytical error? Under what conditions may errors of several per cent appear in the data?…”
mentioning
confidence: 99%
“…These widely differing results pose a real problem for the analyst. Under what conditions is it safe to report such values as 1742 (11), 27,450 (19), 4954 (23), and 14,704 (24), which imply accuracy to within 0.1% relative analytical error? Under what conditions may errors of several per cent appear in the data?…”
mentioning
confidence: 99%
“…Mllas (141), Oridgeman (71), Hellbron (80) and Johnson (92) have reviewed the research on the synthesis of vitamin A and closely related compounds* Several more recent publi cations include the synthesis of vitamin A (198), vitamin A esters (90), and vitamin A ethers (78,90,142)*…”
Section: Properties Of Vitamin Amentioning
confidence: 99%
“…Pormatlon of Anhydrovitamln A, Several investigators (48,79,84,89,134,181,205) have demonstrated the conversion of vitamin A alcohol to anhydrovltamin A by the action of alcoholic HCl* The same substance has been produced by the action of toluene sulfonylchlorlde of the potassium salt of vitamin A (100) and on vitamin A alcohol and vitamin A methyl ether (78). Vi tamin A esters may also be converted to the anhydro compound by the action of acid (50,198) and by refluxlng with alco hol (68).…”
Section: Investigation Of the Mechanism Of The Odh-vltamln A Reactionmentioning
confidence: 99%