(S)-5-(4-cyclohexyl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamine → (S)-2-(4-Cyclohexyl-phenoxymethyl)-5-(1-fluoro-1-methyl-ethyl)-2,3-dihydro-oxazolo-[3,2-a]pyrimidin-7-one
Reaction equation
[CH:1]1([C:7]2[CH:20]=[CH:19][C:10]([O:11][CH2:12][C@H:13]3[O:17][C:16]([NH2:18])=[N:15][CH2:14]3)=[CH:9][CH:8]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.C([O:23][C:24](=O)[C:25]#[C:26][C:27]([F:30])([CH3:29])[CH3:28])C>C(Cl)(Cl)Cl>[CH:1]1([C:7]2[CH:20]=[CH:19][C:10]([O:11][CH2:12][C@H:13]3[O:17][C:16]4=[N:18][C:24](=[O:23])[CH:25]=[C:26]([C:27]([F:30])([CH3:29])[CH3:28])[N:15]4[CH2:14]3)=[CH:9][CH:8]=2)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
The title compound was prepared from (S)-5-(4-cyclohexyl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamine and 4-fluoro-4-methyl-pent-2-ynoic acid ethyl ester employing the procedure described in Example 105. [α]D25 −21.61 (c 0.56, CHCl3).