1,2-Dichloroethane → methyl N-[(1S,2S)-1-[[(1S,2S)-1-benzyl-3-[[[(2S)-2-(ethoxycarbonylamino)-3-methyl-butanoyl]amino]-[(4-thiazol-5-ylphenyl)methyl]amino]-2-hydroxy-propyl]carbamoyl]-2-methyl-butyl]carbamate

HRID 1276977Notes

Reaction equation

HRID 1276977 reaction equation
[CH2:1]([O:3][C:4]([NH:6][C@H:7]([C:11]([OH:13])=O)[CH:8]([CH3:10])[CH3:9])=[O:5])[CH3:2].C(Cl)CCl.C1C=CC2N(O)N=NC=2C=1.[S:28]1[C:32]([C:33]2[CH:38]=[CH:37][C:36]([CH2:39][N:40]([NH2:65])[CH2:41][C@H:42]([OH:64])[C@@H:43]([NH:51][C:52](=[O:63])[C@H:53]([C@H:59]([CH2:61][CH3:62])[CH3:60])[NH:54][C:55]([O:57][CH3:58])=[O:56])[CH2:44][C:45]3[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=3)=[CH:35][CH:34]=2)=[CH:31][N:30]=[CH:29]1>CN(C=O)C>[S:28]1[C:32]([C:33]2[CH:34]=[CH:35][C:36]([CH2:39][N:40]([NH:65][C:11](=[O:13])[C@H:7]([CH:8]([CH3:9])[CH3:10])[NH:6][C:4]([O:3][CH2:1][CH3:2])=[O:5])[CH2:41][C@H:42]([OH:64])[C@@H:43]([NH:51][C:52](=[O:63])[C@H:53]([C@H:59]([CH2:61][CH3:62])[CH3:60])[NH:54][C:55]([O:57][CH3:58])=[O:56])[CH2:44][C:45]3[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=3)=[CH:37][CH:38]=2)=[CH:31][N:30]=[CH:29]1

Participants

6

Reactant 4

HCID 111,2-DichloroethaneHCID 757711-HydroxybenzotriazoleHCID 13221302N-Carbethoxy-L-valineHCID 665780011-[4-(thiazol-5-yl)-phenyl]-4(S)-hydroxy-2-amino-5 (S)-N-(N-methoxycarbonyl-(L)-iso-leucyl)amino-6-phenyl-2-azahexane

Product 1

HCID 467959methyl N-[(1S,2S)-1-[[(1S,2S)-1-benzyl-3-[[[(2S)-2-(ethoxycarbonylamino)-3-methyl-butanoyl]amino]-[(4-thiazol-5-ylphenyl)methyl]amino]-2-hydroxy-propyl]carbamoyl]-2-methyl-butyl]carbamate

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent2×

Procedure

Analogously to Example 7, 175 mg (0.92 mmol) of N-ethoxycarbonyl-(L)-valine, 332 mg (1.7 mmol) of EDC and 156 mg (1.15 mmol) of HOBT in 2.5 ml of DMF and 483 μl (3.47 mmol) of TEA are reacted with 0.578 mmol of 1-[4-(thiazol-5-yl)-phenyl]-4(S)-hydroxy-2-amino-5(S)-N-(N-methoxycarbonyl-(L)-iso-leucyl)amino-6-phenyl-2-azahexane (Example 11 b) in 5.2 ml of DMF to form the title compound: m.p: 200-203° C.; HPLC20-100 : tRet =14.6; FAB MS (M+H)+ =711.

Sources & evidence

ORD record
ord-96e21956639844ada879fba1b6e012f4
Source dataset
uspto-grants-2000_12
Patent number
US06166004

Reaction notes

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