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Chlorosuccinimide → 2-(9-Chloro-7-(3-cyano-4-isopropoxybenzyloxy)-8-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetic Acid

HRID 1964154
Notes
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Reaction equation

HRID 1964154 reaction equation
[C:1]([C:3]1[CH:4]=[C:5]([CH:25]=[CH:26][C:27]=1[O:28][CH:29]([CH3:31])[CH3:30])[CH2:6][O:7][C:8]1[CH:16]=[CH:15][C:14]2[N:13]3[CH2:17][CH2:18][CH:19]([CH2:20][C:21]([OH:23])=[O:22])[C:12]3=[CH:11][C:10]=2[C:9]=1[CH3:24])#[N:2].[Cl:32]N1C(=O)CCC1=O>C(Cl)Cl>[Cl:32][C:11]1[C:10]2[C:9]([CH3:24])=[C:8]([O:7][CH2:6][C:5]3[CH:25]=[CH:26][C:27]([O:28][CH:29]([CH3:31])[CH3:30])=[C:3]([C:1]#[N:2])[CH:4]=3)[CH:16]=[CH:15][C:14]=2[N:13]2[CH2:17][CH2:18][CH:19]([CH2:20][C:21]([OH:23])=[O:22])[C:12]=12
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 31398ChlorosuccinimideHCID 583295982-(7-(3-Cyano-4-isopropoxybenzyloxy)-8-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetic Acid

Product 1

HCID 583296012-(9-Chloro-7-(3-cyano-4-isopropoxybenzyloxy)-8-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetic AcidYield 70.5%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

To a solution of 2-(7-(3-cyano-4-isopropoxybenzyloxy)-8-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetic Acid (30 mg, 0.072 mmol) in DCM (2 mL) was added N-chlorosuccinimide (10.1 mg, 0.075 mmol) at 0° C. The reaction was stirred at that temperature for 40 min, diluted with DCM, washed with aqueous Na2S2O3 solution and water, and dried over anhydrous Na2SO4. The solvent was evaporated, and the residue was passed through a silica gel column with 5% MeOH/DCM to give the title compound as beige solid (23 mg). LCMS m/z=453.3 [M+H]+; 1H NMR (400 MHz, CDCl3) δ ppm 1.41 (d, J=6.0 Hz, 6H), 2.29-2.38 (m, 1H), 2.58 (dd, J=16.7, 10.5 Hz, 1H), 2.66 (s, 3H), 2.88-2.98 (m, 1H), 3.33 (dd, J=16.7, 3.7 Hz, 1H), 3.76-3.84 (m, 1H), 3.90-3.98 (m, 1H), 4.05-4.13 (m, 1H), 4.62-4.68 (m, 1H), 4.94 (s, 2H), 6.84 (d, J=8.8 Hz, 1H), 6.95-6.98 (m, 2H), 7.56-7.62 (m, 2H).

Workup

  1. washwashed with aqueous Na2S2O3 solution and water
  2. dry with materialdried over anhydrous Na2SO4
  3. customThe solvent was evaporated

Sources & evidence

ORD record
ord-67e9f2fc209e4aceb4f7a789650bde2a
Source dataset
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08415484B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes