Phenylmethanesulfonyl chloride → 4'-(5-{[(Benzylsulfonyl)amino]methyl}-1,3,4-oxadiazol-2-yl)-N-cyclopropyl-6-methyl-1,1'-biphenyl-3-carboxamide

HRID 31485

Reaction equation

HRID 31485 reaction equation
[NH2:1][CH2:2][C:3]1[O:7][C:6]([C:8]2[CH:13]=[CH:12][C:11]([C:14]3[C:19]([CH3:20])=[CH:18][CH:17]=[C:16]([C:21]([NH:23][CH:24]4[CH2:26][CH2:25]4)=[O:22])[CH:15]=3)=[CH:10][CH:9]=2)=[N:5][N:4]=1.[C:27]1([CH2:33][S:34](Cl)(=[O:36])=[O:35])[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1>N1C=CC=CC=1.C(Cl)Cl>[CH2:33]([S:34]([NH:1][CH2:2][C:3]1[O:7][C:6]([C:8]2[CH:9]=[CH:10][C:11]([C:14]3[C:19]([CH3:20])=[CH:18][CH:17]=[C:16]([C:21]([NH:23][CH:24]4[CH2:26][CH2:25]4)=[O:22])[CH:15]=3)=[CH:12][CH:13]=2)=[N:5][N:4]=1)(=[O:36])=[O:35])[C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1

Participants

5

Reactant 2

HCID 74740Phenylmethanesulfonyl chloride2×HCID 99978914'-[5-(aminomethyl)-1,3,4-oxadiazol-2-yl]-N-cyclopropyl-6-methyl-1,1'-biphenyl-3-carboxamide

Product 1

HCID 99835394'-(5-{[(Benzylsulfonyl)amino]methyl}-1,3,4-oxadiazol-2-yl)-N-cyclopropyl-6-methyl-1,1'-biphenyl-3-carboxamide

Reagents, catalysts & solvents 2

HCID 1049PyridineSolvent2×HCID 6344DichloromethaneSolvent

Procedure

4′-[5-(Aminomethyl)-1,3,4-oxadiazol-2-yl]-N-cyclopropyl-6-methyl-1,1′-biphenyl-3-carboxamide (Example 53) (30 mg) was mixed with α-toluenesulphonyl chloride (33 mg) in pyridine (6 ml) at 0° C. and the reaction stirred at room temperature for 72 hours. Further α-toluenesulphonyl chloride (66 mg) in pyridine (3 ml) was added and stirring continued for 18 hours. The reaction was diluted with DCM and washed with hydrochloric acid (2N, 4×5 ml) and then water (5 ml). The organic phase was reduced to dryness under vacuum and the residue purified by HPLC to give after evaporation of the solvents 4′-(5-{[(benzylsulfonyl)amino]methyl}-1,3,4-oxadiazol-2-yl)-N-cyclopropyl-6-methyl-1,1′-biphenyl-3-carboxamide.

Workup

  1. stirringstirring
  2. waitcontinued for 18 hours
  3. washwashed with hydrochloric acid (2N, 4×5 ml)
  4. customthe residue purified by HPLC
  5. customto give
  6. customafter evaporation of the solvents 4′-(5-{[(benzylsulfonyl)amino]methyl}-1,3,4-oxadiazol-2-yl)-N-cyclopropyl-6-methyl-1,1′-biphenyl-3-carboxamide

Sources & evidence

ORD record
ord-f7d60736fd6249dbb0fdfaa48ad718c9
Source dataset
uspto-grants-2008_09
Patent number
US07425555B2

Linked notes

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