Piperazine-1-carboxylate → tert-butyl 4-(2-methoxy-4-(3-methyl-4-((R)-1-((R)-5-oxopyrrolidin-3-yl)ethoxy)pyrazolo[1,5-a]pyrazin-6-yl)phenyl)piperazine-1-carboxylate

Participants

Reaction Steps

Following the procedure of Example 5.55, beginning with (R)-4-((R)-1-(6-chloro-3-methylpyrazolo[1,5-a]pyrazin-4-yloxy)ethyl)pyrrolidin-2-one 5.54 (25.3 mg, 0.086 mmol) and tert-butyl 4-(2-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate 7.08 (44 mg, 0.105 mmol), tert-butyl 4-(2-methoxy-4-(3-methyl-4-4R)-1-((R)-5-oxopyrrolidin-3-yl)ethoxy)pyrazolo[1,5-a]pyrazin-6-yl)phenyl)piperazine-1-carboxylate 5.59 (35 mg) was synthesized.

Provenance & Evidence