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Triethylamine → N-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-methylalanyl-N-[(3R,4S,5S)-3-methoxy-1-{(2S)-2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-{[(1-phenylcyclopropyl)methyl]amino}propyl]pyrrolidin-1-yl}-5-methyl-1-oxoheptan-4-yl]-N-methyl-L-valinamide

HRID 74749
Notes
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Reaction equation

HRID 74749 reaction equation
[CH:1]1[C:13]2[CH:12]([CH2:14][O:15][C:16]([NH:18][C:19]([CH3:44])([C:21]([NH:23][C@H:24]([C:28]([N:30]([C@@H:32]([C@@H:40]([CH3:43])[CH2:41][CH3:42])[C@H:33]([O:38][CH3:39])[CH2:34][C:35](O)=[O:36])[CH3:31])=[O:29])[CH:25]([CH3:27])[CH3:26])=[O:22])[CH3:20])=[O:17])[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=3)[C:5]=2[CH:4]=[CH:3][CH:2]=1.Cl.[CH3:46][O:47][C@@H:48]([C@@H:64]1[CH2:68][CH2:67][CH2:66][NH:65]1)[C@@H:49]([CH3:63])[C:50]([NH:52][CH2:53][C:54]1([C:57]2[CH:62]=[CH:61][CH:60]=[CH:59][CH:58]=2)[CH2:56][CH2:55]1)=[O:51].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C>CN(C)C=O.ClCCl>[CH:1]1[C:13]2[CH:12]([CH2:14][O:15][C:16]([NH:18][C:19]([CH3:44])([C:21]([NH:23][C@H:24]([C:28]([N:30]([C@@H:32]([C@@H:40]([CH3:43])[CH2:41][CH3:42])[C@H:33]([O:38][CH3:39])[CH2:34][C:35]([N:65]3[CH2:66][CH2:67][CH2:68][C@H:64]3[C@H:48]([O:47][CH3:46])[C@@H:49]([CH3:63])[C:50](=[O:51])[NH:52][CH2:53][C:54]3([C:57]4[CH:62]=[CH:61][CH:60]=[CH:59][CH:58]=4)[CH2:55][CH2:56]3)=[O:36])[CH3:31])=[O:29])[CH:25]([CH3:27])[CH3:26])=[O:22])[CH3:20])=[O:17])[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=3)[C:5]=2[CH:4]=[CH:3][CH:2]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 86685741L-Valinamide, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-methylalanyl-N-[(1S,2S)-1-[(1R)-2-carboxy-1-methoxyethyl]-2-methylbutyl]-N-methyl-HCID 131731850(2R,3R)-3-methoxy-2-methyl-N-[(1-phenylcyclopropyl)methyl]-3-[(2S)-pyrrolidin-2-yl]propanamide, hydrochloride salt

Product

1
HCID 89573416N-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-methylalanyl-N-[(3R,4S,5S)-3-methoxy-1-{(2S)-2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-{[(1-phenylcyclopropyl)methyl]amino}propyl]pyrrolidin-1-yl}-5-methyl-1-oxoheptan-4-yl]-N-methyl-L-valinamideYield 75.4%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 6344DichloromethaneSolvent

Procedure

According to general procedure D, from #32 (550 mg, 0.902 mmol, 1 eq.), #58 (350 mg, 0.992 mmol, 1.1 eq.) dichloromethane (10 mL, 0.08 M) and N,N-dimethylformamide (2 mL), HATU (446 mg, 1.17 mmol, 1.3 eq.) and triethylamine (0.503 mL, 3.61 mmol, 4 eq.) was synthesized the crude desired material, which was purified by silica gel chromatography (Gradient: 0% to 30% acetone in heptane), producing #59 (618 mg, 69%) as an off-white solid. LC-MS: m/z 908.7 [M+H+], 930.7 [M+Na+], retention time=1.07 minutes; HPLC (Protocol B at 45° C.): m/z 908.5 [M+H+], retention time=8.721 minutes (purity >97%); 1H NMR (400 MHz, DMSO-d6), presumed to be a mixture of rotamers, characteristic signals: δ 7.89 (d, J=7.5 Hz, 2H), 7.38-7.44 (m, 2H), 7.30-7.36 (m, 2H), [4.49 (dd, J=8.5, 7.8 Hz) and 4.59 (dd, J=8.7, 6.9 Hz), total 1H], 4.18-4.26 (m, 3H), 3.93-4.01 (br m, 1H), 3.23 and 3.26 (2 s, total 3H), 3.16 and 3.16 (2 s, total 3H), 2.91 and 3.05 (2 br s, total 3H), 1.36 and 1.37 (2 br s, total 3H), 1.30 and 1.32 (2 br s, total 3H), [1.00 (d, J=6.7 Hz) and 1.02 (d, J=6.6 Hz), total 3H], 0.67-0.78 (m, 7H).

Workup

  1. customwas purified by silica gel chromatography (Gradient: 0% to 30% acetone in heptane)

Sources & evidence

ORD record
ord-c9a76ccaa94441c1bc758b0af8e68882
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08828401B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes