4-Methoxybenzylamine → 4,4'-(1-(4-tert-butylphenyl)pyrrolidine-2,5-diyl)bis(N-(4-methoxybenzyl)-2-nitroaniline)

HRID 2364785Notes

Reaction equation

HRID 2364785 reaction equation
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([N:11]2[CH:15]([C:16]3[CH:21]=[CH:20][C:19](Cl)=[C:18]([N+:23]([O-:25])=[O:24])[CH:17]=3)[CH2:14][CH2:13][CH:12]2[C:26]2[CH:31]=[CH:30][C:29](Cl)=[C:28]([N+:33]([O-:35])=[O:34])[CH:27]=2)=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[CH3:36][O:37][C:38]1[CH:45]=[CH:44][C:41]([CH2:42][NH2:43])=[CH:40][CH:39]=1>ClCCl>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([N:11]2[CH:15]([C:16]3[CH:21]=[CH:20][C:19]([NH:43][CH2:42][C:41]4[CH:44]=[CH:45][C:38]([O:37][CH3:36])=[CH:39][CH:40]=4)=[C:18]([N+:23]([O-:25])=[O:24])[CH:17]=3)[CH2:14][CH2:13][CH:12]2[C:26]2[CH:31]=[CH:30][C:29]([NH:43][CH2:42][C:41]3[CH:44]=[CH:45][C:38]([O:37][CH3:36])=[CH:39][CH:40]=3)=[C:28]([N+:33]([O-:35])=[O:34])[CH:27]=2)=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2]

Participants

4

Reactant 2

HCID 754524-MethoxybenzylamineHCID 582268181-(4-Tert-butylphenyl)-2,5-bis(4-chloro-3-nitrophenyl)pyrrolidine

Product 1

HCID 866491004,4'-(1-(4-tert-butylphenyl)pyrrolidine-2,5-diyl)bis(N-(4-methoxybenzyl)-2-nitroaniline)Yield 67.3%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

The product from Example 28D (4.41 g, 8.57 mmol) was combined, neat, with p-methoxy benzylamine (8.93 mL, 68.6 mmol) and heated at 145° C. for 1 h. The mixture was diluted with dichloromethane and filtered. The filtrate was washed with 0.5 M HCl, then NaHCO3 soln, then brine, concentrated and purified by chromatography on silica gel with an 80 g column, eluting with 0-50% ethyl acetate/hexanes to give 4.13 g (67%) of an orange foamy solid.

Workup

  1. filtrationfiltered
  2. washThe filtrate was washed with 0.5 M HCl
  3. concentrationNaHCO3 soln, then brine, concentrated
  4. custompurified by chromatography on silica gel with an 80 g column
  5. washeluting with 0-50% ethyl acetate/hexanes

Sources & evidence

ORD record
ord-3131e363f4f14ab69daf17f3b883188e
Source dataset
uspto-grants-2014_04
Patent number
US08691938B2

Reaction notes

Loading…