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Ring Opening of 1,5-Dioxaspiro[3.2]hexanes: Selective Preparation of alpha-Heterofunctionalized- beta'-hydroxy Ketones or 2,2-Disubstituted Oxetanes
(1999)
Abstract.................................. Image
2-Methyleneoxetanes have been converted into 1,5-dioxaspiro[3.2]hexanes with dimethyldioxirane. Reaction of the dioxaspirohexanes with a range of heteroatom nucleophiles, ...
Synthesis of D -erythro-Dihydrosphingosine and D-xylo-phytosphingosine from a Serine-Derived 1,5-Dioxaspiro[3.2]hexane Template
(2002)
[reaction: see text] A serine-derived 1,5-dioxaspiro[3.2]hexane template is shown to be a useful precursor for both aminodiol and aminotriol sphingoid bases by its conversion to D-erythro-dihydrosphingosine and ...