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Cyclobutanecarboxylic acid → [(3S,4R)-4-(4-Chloro-phenyl)-1-(1-cyclobutanecarbonyl-piperidine-4-carbonyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester

HRID 587399
Notes
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Reaction equation

HRID 587399 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C@@H:8]2[CH2:12][N:11]([C:13]([CH:15]3[CH2:20][CH2:19][NH:18][CH2:17][CH2:16]3)=[O:14])[CH2:10][C@H:9]2[N:21]([CH3:32])[C:22](=[O:31])[O:23][C:24]2[CH:29]=[CH:28][C:27]([F:30])=[CH:26][CH:25]=2)=[CH:4][CH:3]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH:57]1([C:61](O)=[O:62])[CH2:60][CH2:59][CH2:58]1.CCN(C(C)C)C(C)C>CN(C=O)C>[F:30][C:27]1[CH:26]=[CH:25][C:24]([O:23][C:22](=[O:31])[N:21]([C@H:9]2[C@H:8]([C:5]3[CH:4]=[CH:3][C:2]([Cl:1])=[CH:7][CH:6]=3)[CH2:12][N:11]([C:13]([CH:15]3[CH2:20][CH2:19][N:18]([C:61]([CH:57]4[CH2:60][CH2:59][CH2:58]4)=[O:62])[CH2:17][CH2:16]3)=[O:14])[CH2:10]2)[CH3:32])=[CH:29][CH:28]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 19494Cyclobutanecarboxylic acidHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58303156[(3S,4R)-4-(4-chloro-phenyl)-1-(piperidine-4-carbonyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester

Product 1

HCID 53244786
[(3S,4R)-4-(4-Chloro-phenyl)-1-(1-cyclobutanecarbonyl-piperidine-4-carbonyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester
Yield 39%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A mixture of 27.6 mg (0.06 mmol) 4-fluorophenyl (3S,4R)-4-(4-chlorophenyl)-1-(piperidine-4-carbonyl)pyrrolidin-3-yl(methyl)carbamate, 0.52 mL (0.072 mmol) HATU (0.136 M in DMF), 12 mg (0.072 mmol) cyclobutanecarboxylic acid and 46.5 mg (0.36 mmol) DIPEA in 1.5 mL DMF was shaken at room temperature over night. The mixture was subjected to preparative HPLC chromatography on reversed phase eluting with a gradient formed from acetonitrile, water and NEt3. The product containing fractions were evaporated to yield 12.5 mg (39%) of the title compounds as off-white solid. MS m/e: 542.3 [M+H]+.

Workup

  1. washeluting with a gradient
  2. customformed from acetonitrile, water and NEt3
  3. additionThe product containing fractions
  4. customwere evaporated

Sources & evidence

ORD record
ord-1d21ffdcd27445feb4db374c3a38d0c7
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09226916B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes