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Methylamine → HCID 86654195, compound

HRID 422167
Notes
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Reaction equation

HRID 422167 reaction equation
[OH:1][C:2]1[CH:19]=[C:18]2[C:5]([C@@:6]3([CH3:24])[C@H:15]([CH2:16][S:17]2=[O:20])[C@:14]2([CH3:21])[C@H:9]([C:10]([CH3:23])([CH3:22])[CH2:11][CH2:12][CH2:13]2)[CH2:8][CH2:7]3)=[CH:4][C:3]=1[C:25]([OH:27])=O.[CH3:28][N:29](C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.CN>C1COCC1.CN(C=O)C.CCOC(C)=O>[OH:1][C:2]1[CH:19]=[C:18]2[C:5]([C@@:6]3([CH3:24])[C@H:15]([CH2:16][S:17]2=[O:20])[C@:14]2([CH3:21])[C@H:9]([C:10]([CH3:23])([CH3:22])[CH2:11][CH2:12][CH2:13]2)[CH2:8][CH2:7]3)=[CH:4][C:3]=1[C:25]([NH:29][CH3:28])=[O:27]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 6329MethylamineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58294800(1R,10R,11S,16S)-5-hydroxy-1,11,15,15-tetramethyl-8-oxo-8lambda4-thiatetracyclo-[8.8.0.02,7.011,16]octadeca-2,4,6-triene-4-carboxylic acid

Product 1

HCID 86654195
HCID 86654195, compound
Yield 16%

Reagents, catalysts & solvents 3

HCID 6228DimethylformamideSolventHCID 8028TetrahydrofuranSolventHCID 8857Ethyl AcetateSolvent

Procedure

A mixture of (1R,10R,11S,16S)-5-hydroxy-1,11,15,15-tetramethyl-8-oxo-8λ4-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-4-carboxylic acid (71) (0.40 g, 1.1 mmol), HATU (0.49 g, 1.3 mmol), Hunig's base (0.24 mL, 1.4 mmol), methylamine (2 M in diethyl ether, 2.7 mL, 5.4 mmol) in anhydrous THF (10 mL) and DMF (2 mL) was placed in a sealed vessel. The reaction was stirred at room temperature for 18 h. The reaction was diluted with EtOAc and washed with water and brine. The organic layer was separated and concentrated to dryness. The crude product was purified by flash chromatography on silica gel (CH2Cl2/EtOAc, 7:3) to yield (1R,10R,11S,16S)-5-hydroxy-N,1,11,15,15-pentamethyl-8-oxo-8λ4-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-4-carboxamide (72) (0.07 g, 16% yield) as a white solid.

Workup

  1. customwas placed in a sealed vessel
  2. washwashed with water and brine
  3. customThe organic layer was separated
  4. concentrationconcentrated to dryness
  5. customThe crude product was purified by flash chromatography on silica gel (CH2Cl2/EtOAc, 7:3)

Sources & evidence

ORD record
ord-1b26392101a74af7b3ad53a94a2e1e6d
Source dataset
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08101605B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes