Methylamine → HCID 53805587, compound

HRID 264954Notes

Reaction equation

HRID 264954 reaction equation
C([O:3][C:4](=O)[CH2:5][C@@H:6]([NH:10][C:11]([O:13][CH2:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[O:12])[CH:7]([CH3:9])[CH3:8])C.[CH3:22][NH2:23]>>[CH3:22][NH:23][C:4](=[O:3])[CH2:5][C@@H:6]([NH:10][C:11]([O:13][CH2:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[O:12])[CH:7]([CH3:9])[CH3:8]

Participants

3

Reactant 2

HCID 6329MethylamineHCID 54226119HCID 54226119, compound

Product 1

HCID 53805587HCID 53805587, compound

Procedure

2.23 g of 3(R)-benzyloxycarbonylamino-4-methylpentanoic acid ethyl ester and 50 ml of 33% methylamine (in ethanol) are left to stand for 48 hours at room temperature. The reaction mixture is concentrated by evaporation and the residue is crystallised from ethyl acetate. The title compound is obtained: Rf (dichloromethane/methanol=95:5)=0.24; m.p. 190-191° C.

Workup

  1. concentrationThe reaction mixture is concentrated by evaporation
  2. customthe residue is crystallised from ethyl acetate

Sources & evidence

ORD record
ord-c708f47e5825485bbb06c55881578f12
Source dataset
uspto-grants-1997_07
Patent number
US05646143

Reaction notes

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