189276-51-5
+
27491-70-9
diazo(dimethoxyphosphoryl)methane
→
~69%
189276-50-4
(3R)-3-ethynyl-3-methyl-1,4-dioxaspiro[4.5]decane
133868-50-5
(R)-2-methyl-1,4-dioxaspiro[4.5]decane-2-methanol