1-Hydroxy-2-naphthoic acid → HCID 71715056, compound

HRID 1477540Notes

Reaction equation

HRID 1477540 reaction equation
[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@H:8]([NH2:10])[CH2:7][N:6]1[CH2:11][CH:12]1[CH2:17][CH2:16][CH2:15][CH2:14][CH2:13]1)=[O:4].[OH:18][C:19]1[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[CH:22]=[CH:21][C:20]=1[C:29](O)=[O:30].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C>CN(C=O)C>[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@H:8]([NH:10][C:29]([C:20]2[CH:21]=[CH:22][C:23]3[C:28](=[CH:27][CH:26]=[CH:25][CH:24]=3)[C:19]=2[OH:18])=[O:30])[CH2:7][N:6]1[CH2:11][CH:12]1[CH2:17][CH2:16][CH2:15][CH2:14][CH2:13]1)=[O:4]

Participants

6

Reactant 4

HCID 68441-Hydroxy-2-naphthoic acidHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 89776163(2S,4S)-4-amino-1-cyclohexylmethyl-pyrrolidine-2-carboxylic acid methyl ester

Product 1

HCID 71715056HCID 71715056, compound

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a stirred solution of (2S,4S)-4-amino-1-cyclohexylmethyl-pyrrolidine-2-carboxylic acid methyl ester (150 mg, 0.62 mmol) and 1-hydroxy-naphthalene-2-carboxylic acid (90 mg, 0.75 mmol) in DMF (2 mL) were added HATU (285 mg, 0.75 mmol) and N,N-diisopropylethylamine (96 mg, 0.75 mmol). The mixture was stirred at room temp. for 24 h. The reaction mixture was then extracted with ethyl acetate and washed with water and brine. The organic layer was then dried over anhydrous sodium sulfate, concentrated and purified by column chromatography to give (2S,4S)-1-cyclohexylmethyl-4-[(1-hydroxy-naphthalene-2-carbonyl)-amino]-pyrrolidine-2-carboxylic acid methyl ester. MS calcd. for C24H31N2O4 [(M+H)4] 411.0, obsd. 411.0.

Workup

  1. extractionThe reaction mixture was then extracted with ethyl acetate
  2. washwashed with water and brine
  3. dry with materialThe organic layer was then dried over anhydrous sodium sulfate
  4. concentrationconcentrated
  5. custompurified by column chromatography

Sources & evidence

ORD record
ord-43c9206905694b65b814289b19aacc3b
Source dataset
uspto-grants-2016_08
Patent number
US09403805B2

Reaction notes

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