(3S,4S)-4-Aminotetrahydrofuran-3-ol → cis-(+/-)-4-[(3,6-Diethylpyrazin-2-yl)amino]tetrahydrofuran-3-ol
Reaction equation
[CH2:1]([C:3]1[C:4]([NH:11][C@H:12]2[C@@H:16]([OH:17])[CH2:15]N(C(OCC3C=CC=CC=3)=O)[CH2:13]2)=[N:5][C:6]([CH2:9][CH3:10])=[CH:7][N:8]=1)[CH3:2].N[C@H]1C[O:32]C[C@H]1O>>[CH2:1]([C:3]1[C:4]([NH:11][C@H:12]2[CH2:13][O:32][CH2:15][C@H:16]2[OH:17])=[N:5][C:6]([CH2:9][CH3:10])=[CH:7][N:8]=1)[CH3:2]Participants
3
Procedure
Following the procedure for the preparation of benzyl(3R,4S)-3-[(3,6-diethylpyrazin-2-yl)amino]-4-hydroxypyrrolidine-1-carboxylate but substituting cis-(+/−)-4-aminotetrahydrofuran-3-ol and making non-critical variations provided the title compound as a light yellow amorphous solid. IR (diffuse reflectance) 3399, 3259, 3223, 3218, 3212, 2969, 2867, 2847, 1582, 1546, 1493, 1465, 1160, 1066, 920 cm−1; MS (EI) m/z 237 (M+); HRMS (FAB) calcd for C12H19N3O2+H1 238.1555, found 238.1558.
Sources & evidence
- ORD record
- ord-dd6754f3fef747129f0780f96cf9a21e
- Source dataset
- uspto-grants-2006_05
- Patent number
- US07041672B2
Reaction notes
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