4-t-Butylbenzenesulfonyl chloride → Methyl 3-(4-tert-butyl-benzenesulphonylamino)-4-(2-chloro-5-methoxy-phenoxy)-5-[2-(tetrahydro-pyran-2-yloxy)-ethoxy]-benzoate

HRID 368747Notes

Reaction equation

HRID 368747 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]([CH:9]=[C:10]([O:22][CH2:23][CH2:24][O:25][CH:26]2[CH2:31][CH2:30][CH2:29][CH2:28][O:27]2)[C:11]=1[O:12][C:13]1[CH:18]=[C:17]([O:19][CH3:20])[CH:16]=[CH:15][C:14]=1[Cl:21])[C:5]([O:7][CH3:8])=[O:6].[C:32]([C:36]1[CH:41]=[CH:40][C:39]([S:42](Cl)(=[O:44])=[O:43])=[CH:38][CH:37]=1)([CH3:35])([CH3:34])[CH3:33]>C1(C)C=CC=CC=1.N1C=CC=CC=1.C1(C)C=CC=CC=1>[C:32]([C:36]1[CH:41]=[CH:40][C:39]([S:42]([NH:1][C:2]2[CH:3]=[C:4]([CH:9]=[C:10]([O:22][CH2:23][CH2:24][O:25][CH:26]3[CH2:31][CH2:30][CH2:29][CH2:28][O:27]3)[C:11]=2[O:12][C:13]2[CH:18]=[C:17]([O:19][CH3:20])[CH:16]=[CH:15][C:14]=2[Cl:21])[C:5]([O:7][CH3:8])=[O:6])(=[O:44])=[O:43])=[CH:38][CH:37]=1)([CH3:35])([CH3:33])[CH3:34]

Participants

5

Reactant 2

HCID 1398824-t-Butylbenzenesulfonyl chlorideHCID 23288632Methyl 3-amino-4-(2-chloro-5-methoxy-phenoxy)-5-[2-(tetrahydro-pyran-2-yloxy)-ethoxy]-benzoate

Product 1

HCID 23288581Methyl 3-(4-tert-butyl-benzenesulphonylamino)-4-(2-chloro-5-methoxy-phenoxy)-5-[2-(tetrahydro-pyran-2-yloxy)-ethoxy]-benzoate

Reagents, catalysts & solvents 2

HCID 1140TolueneSolventHCID 22007288Pyridine tolueneSolvent

Procedure

1.13 g of methyl 3-amino-4-(2-chloro-5-methoxy-phenoxy)-5-[2-(tetrahydro-pyran-2-yloxy)-ethoxy]-benzoate were dissolved in a mixture of toluene/pyridine (20 ml/30 ml) treated dropwise while cooling with ice with a solution of 1.05 g of 4-tert.butyl-benzenesulphonyl chloride in toluene (30 ml) and subsequently stirred at RT for 24 hours. The reaction mixture was poured on to ice/3M HCl, the product was extracted with ethyl acetate and the organic phase was dried over magnesium sulphate. After removing the solvent there was obtained methyl 3-(4-tert-butyl-benzenesulphonylamino)-4-(2-chloro-5-methoxy-phenoxy)-5-[2-(tetrahydro-pyran-2-yloxy)-ethoxy]-benzoate as a yellow solid.

Workup

  1. additiontreated dropwise
  2. extractionthe product was extracted with ethyl acetate
  3. dry with materialthe organic phase was dried over magnesium sulphate
  4. customAfter removing the solvent there

Sources & evidence

ORD record
ord-5680605736704271bd31ca1edaf36175
Source dataset
uspto-grants-2000_10
Patent number
US06133442

Reaction notes

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