1, 7-Dioxaspiro [5.5] undecanes. An excellent system for the study of stereoelectronic effects (anomeric and exo-anomeric effects) in acetals

P Deslongchamps, DD Rowan…

Index: Mori, Kenji; Uematsu, Tamon; Watanabe, Hidenori; Yanagi, Kazunori; Minobe, Masao Tetrahedron Letters, 1984 , vol. 25, # 35 p. 3875 - 3878

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Citation Number: 179

Abstract

... The preparation of a mixture of dl and meso dihydroxy ketones 19 and 20 (24 + 25 + 26 + 27 + 28 + 29 + 19 + 20) is described in ... VOL. ... 34a only.9 Under aqueous acidic conditions (1 N DC1, acetone), compound 34 did not hydrolyse or equili- brate with 35 but incorporated four ...