Rac-8-(2-oxo-cyclohexyl)-1-phenyl-1,3,8-triaza-spiro[4.5]decan-4-one → 8-(2-Hydroxy-2-pyridin-4-yl-cyclohexyl)-1-phenyl-1,3,8-triaza-spiro[4.5]decan-4-one

Participants

Reaction Steps

The title compound was prepared from rac-8-(2-oxo-cyclohexyl)-1-phenyl-1,3,8-triaza-spiro[4.5]decan-4-one and 4-pyridyl-lithium in analogy of the procedure described for the synthesis of (rac,cis)-8-(2-hydroxy-2-phenyl-cyclohexyl)-1-(3-methyl-butyl)-1,3,8-triaza-spiro[4.5]decan-4-one (Example 73e). (rac,cis) 8-(2-Hydroxy-2-pyridin-4-yl-cyclohexyl)-1-phenyl-1,3,8-triaza-spiro[4.5]decan-4-one was obtained as colorless solid, MS (ISP): 407.4 MH+.

Provenance & Evidence