Diisopropylethylamine → HCID 70816785, compound

HRID 1753913Notes

Reaction equation

HRID 1753913 reaction equation
[CH:1]([C:4]1[C:9]([C:10]([OH:12])=O)=[C:8]([CH3:13])[CH:7]=[C:6]([N:14]2[CH2:19][CH2:18][O:17][CH2:16][CH2:15]2)[N:5]=1)([CH3:3])[CH3:2].C(N(C(C)C)C(C)C)C.Cl.C(N=C=NCCCN(C)C)C.O.ON1C2C=CC=CC=2N=N1.[NH2:52][CH2:53][C@@H:54]1[CH2:59][CH2:58][CH2:57][CH2:56][C@H:55]1[OH:60]>ClCCl.C(OCC)(=O)C.[Cl-].[NH4+]>[OH:60][C@@H:55]1[CH2:56][CH2:57][CH2:58][CH2:59][C@H:54]1[CH2:53][NH:52][C:10]([C:9]1[C:4]([CH:1]([CH3:2])[CH3:3])=[N:5][C:6]([N:14]2[CH2:19][CH2:18][O:17][CH2:16][CH2:15]2)=[CH:7][C:8]=1[CH3:13])=[O:12]

Participants

9

Reactant 5

HCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2724658trans-2-Aminomethyl-1-cyclohexanolHCID 27960291-Hydroxybenzotriazole hydrateHCID 70817044HCID 70817044, compound

Product 1

HCID 70816785HCID 70816785, compoundYield 63%

Reagents, catalysts & solvents 3

HCID 6344DichloromethaneSolventHCID 8857Ethyl AcetateSolventHCID 25517Ammonium ChlorideSolvent

Procedure

To a solution of 2-isopropyl-4-methyl-6-morpholin-4-yl-pyridine-3-carboxylic acid (synthesized similar to the methods described in sections a) to d) of example X1) (0.20 g, 0.76 mmol) in dichloromethane (15 ml) are added N-ethyl-diisopropylamine (0.32 ml, 0.89 mmol), 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (0.17 g, 0.91 mmol), and 1-hydroxybenzotriazole hydrate (0.02 g, 0.15 mmol). The mixture is stirred for 15 min at RT, and then cooled to 0° C., before (1R,2S)-2-(aminomethyl)cyclohexanol (0.09 g, 0.76 mmol) is added and stirring is continued for 18 h. After completion of the reaction, the mixture is diluted with ethyl acetate and 10% aqueous ammonium chloride. The organic layer is separated and washed with saturated sodium hydrogencarbonate solution and brine, dried over magnesium sulphate and evaporated to dryness. The crude product is purified by flash chromatography (silica gel, 50% ethyl acetate/cyclohexane) to yield N-[[(1S,2R)-2-hydroxy-cyclohexyl]-methyl]-2-isopropyl-4-methyl-6-morpholin-4-yl-pyridine-3-carboxylic acid amide (example X7) (0.18 g, 0.48 mmol, 63%). [M+H]+376.3.

Workup

  1. additionis added
  2. stirringstirring
  3. waitis continued for 18 h
  4. customAfter completion of the reaction
  5. customThe organic layer is separated
  6. washwashed with saturated sodium hydrogencarbonate solution and brine
  7. dry with materialdried over magnesium sulphate
  8. customevaporated to dryness
  9. customThe crude product is purified by flash chromatography (silica gel, 50% ethyl acetate/cyclohexane)

Sources & evidence

ORD record
ord-eabe245b6376419ebe490432d8fc37e4
Source dataset
uspto-grants-2015_10
Patent number
US09168259B2

Reaction notes

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