Journal of the Chemical Society. Chemical communications p. 1826 - 1827 (1985)
Update date:2022-08-12
Topics:
Baggett, Neil
Buchanan, J. Grant
Fatah, Moutie Y.
Lachut, C. H.
McCullough, Kevin J.
Webber, John M.
The product of the reaction of D-ribono-1,4-lactone with benzaldehyde and concentrated HCl has been shown, by X-ray crystallography of its acetate, to be 3,4-O-(R)-benzylidene-D-ribono-1,5-lactone and not the 3,5-acetal as previously suggested; with ZnCl2 as catalyst the products are 2,3-O-(R)- and -(S)-benzylidene-D-ribono-1,4-lactone, the former preponderating.
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