HCID 118151980, compound → HCID 118151940, compound

Participants

Reaction Steps

The substantially same method as described in Example 297 was conducted, except that 2-((2S,3S)-3-phenyl-1,4-dioxaspiro[4.4]nonan-2-yl)ethyl pivalate (Preparation example 298) was used instead of that 2-((4S,5S)-2,2-diethyl-5-phenyl-1,3-dioxolan-4-yl)ethyl pivalate (Preparation example 296), to obtain the title compound (07 g, 80˜95%)

Provenance & Evidence