Sodium Bicarbonate → HCID 59135790, compound

HRID 1994990Notes

Reaction equation

HRID 1994990 reaction equation
[CH:1]([CH:3]1[S:7][C:6]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][CH:13]=[CH:12][C:11]=3[N:17]([CH3:26])[S:18]([C:21]2[S:22][CH:23]=[CH:24][CH:25]=2)(=[O:20])=[O:19])=[N:5][CH2:4]1)=O.Cl.[NH:28]1[CH2:33][CH2:32][S:31](=[O:34])[CH2:30][CH2:29]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>O1CCCC1.C(N(CC)CC)C>[CH3:26][N:17]([C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:10]=1[NH:9][C:8]([C:6]1[S:7][CH:3]([CH2:1][N:28]3[CH2:33][CH2:32][S:31](=[O:34])[CH2:30][CH2:29]3)[CH2:4][N:5]=1)=[CH:16]2)[S:18]([C:21]1[S:22][CH:23]=[CH:24][CH:25]=1)(=[O:19])=[O:20]

Participants

7

Reactant 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 204414791Lambda4-thiomorpholin-1-one hydrochlorideHCID 57503226HCID 57503226, compound

Product 1

HCID 59135790HCID 59135790, compoundYield 35%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 8471TriethylamineSolvent

Procedure

To a mixture of N-[2-(5-formyl-4,5-dihydro-1,3-thiazol-2-yl)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide (550 mg), thiomorpholine 1-oxide hydrochloride (310 mg), triethylamine (200 μL) and tetrahydrofuran (15 mL) was added sodium triacetoxyborohydride (420 mg) at room temperature, and the mixture was stirred for 10 min. Saturated aqueous sodium hydrogencarbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The obtained residue was subjected to silica gel column chromatography to give a colorless oil from a fraction eluted with ethyl acetate:methanol=90:10. The obtained colorless oil was purified by preparative HPLC to give the title compound (230 mg, yield 35%) as white crystals. melting point 204° C.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. customto give a colorless oil from a fraction
  6. washeluted with ethyl acetate
  7. customThe obtained colorless oil was purified by preparative HPLC

Sources & evidence

ORD record
ord-0c8889392e0f47989e045b3e6d6b9e6a
Source dataset
uspto-grants-2010_01
Patent number
US07652133B2

Reaction notes

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