Acetic Acid → 4-methanesulfonyloxy-5-methoxy-7-[1-(tert-butoxycarbonyl)-5-[N-(2-methoxyethyl)methylaminomethyl]indol-2-yl]isoindolinone

HRID 21335

Reaction equation

HRID 21335 reaction equation
[CH3:1][S:2]([O:5][C:6]1[C:14]([O:15][CH3:16])=[CH:13][C:12]([C:17]2[N:18]([C:28]([O:30][C:31]([CH3:34])([CH3:33])[CH3:32])=[O:29])[C:19]3[C:24]([CH:25]=2)=[CH:23][C:22](C=O)=[CH:21][CH:20]=3)=[C:11]2[C:7]=1[CH2:8][NH:9][C:10]2=[O:35])(=[O:4])=[O:3].[CH3:36][O:37][CH2:38][CH2:39][NH:40][CH3:41].[C:42](O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>C(#N)C>[CH3:1][S:2]([O:5][C:6]1[C:14]([O:15][CH3:16])=[CH:13][C:12]([C:17]2[N:18]([C:28]([O:30][C:31]([CH3:33])([CH3:34])[CH3:32])=[O:29])[C:19]3[C:24]([CH:25]=2)=[CH:23][C:22]([CH2:41][N:40]([CH3:42])[CH2:39][CH2:38][O:37][CH3:36])=[CH:21][CH:20]=3)=[C:11]2[C:7]=1[CH2:8][NH:9][C:10]2=[O:35])(=[O:4])=[O:3]

Participants

6

Reactant 4

HCID 176Acetic AcidHCID 300977(2-Methoxyethyl)(methyl)amineHCID 5049666Sodium triacetoxyborohydrideHCID 866283014-Methanesulfonyloxy-5-methoxy-7-[1-(tert-butoxycarbonyl)-5-formylindol-2-yl]isoindolinone

Product 1

HCID 866283354-methanesulfonyloxy-5-methoxy-7-[1-(tert-butoxycarbonyl)-5-[N-(2-methoxyethyl)methylaminomethyl]indol-2-yl]isoindolinoneYield 60%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

In a similar manner to Step 2 of Example 6, 4-methanesulfonyloxy-5-methoxy-7-[1-(tert-butoxycarbonyl)-5-formylindol-2-yl]isoindolinone (856 mg, 1.71 mmol) was dissolved in acetonitrile (17.0 mL), and the solution was treated with (2-methoxyethyl)methylamine (2.76 mL, 25.7 mmol), acetic acid (1.47 mL, 25.7 mmol) and sodium triacetoxyborohydride (1.81 g, 8.56 mmol), followed by purification by flash column chromatography (chloroform/methanol=4/1) to obtain 4-methanesulfonyloxy-5-methoxy-7-[1-(tert-butoxycarbonyl)-5-[N-(2-methoxyethyl)methylaminomethyl]indol-2-yl]isoindolinone (586 mg, 60%).

Workup

  1. customfollowed by purification by flash column chromatography (chloroform/methanol=4/1)

Sources & evidence

ORD record
ord-052f6ee7314f49b880d98e5af242cf98
Source dataset
uspto-grants-2010_06
Patent number
US07745641B2

Linked notes

Loading…