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Acetic Acid → HCID 58958187, compound

HRID 914994
Notes
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Reaction equation

HRID 914994 reaction equation
[CH3:1][C:2]1[CH:11]=[C:10]([NH:12][C:13]2[CH:14]=[C:15]([C:19]3[C:20]([CH:25]=O)=[CH:21][CH:22]=[CH:23][CH:24]=3)[CH:16]=[CH:17][CH:18]=2)[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1.[CH2:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[CH2:30][CH2:29][NH:28]1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+].CC(O)=O>ClC(Cl)C>[CH2:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[CH2:30][CH2:29][N:28]1[CH2:25][C:20]1[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=1[C:15]1[CH:16]=[CH:17][CH:18]=[C:13]([NH:12][C:10]2[C:9]3[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=3)[N:3]=[C:2]([CH3:1])[CH:11]=2)[CH:14]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 176Acetic AcidHCID 70461,2,3,4-TetrahydroisoquinolineHCID 5049666Sodium triacetoxyborohydrideHCID 59648455HCID 59648455, compound

Product 1

HCID 58958187HCID 58958187, compoundYield 23.7%

Reagents, catalysts & solvents 1

HCID 6365
1,1-Dichloroethane
Solvent

Procedure

To a solution of 100 (166 mg, 0.49 mmol) and 40 (0.06 mL, 0.473 mmol) in dichloroethane (4.9 mL) were sequentially added NaBH(OAc)3 (155 mg, 0.73 mmol) and HOAc (0.03 mL, 0.52 mmol). The reaction was stirred for 48 hours and then extracted with dichloromethane (2×30 mL). The dichloromethane extracts were washed with 2 N NaOH (aq. 15 mL), brine (15 mL), dried (MgSO4), and concentrated. The residue was chromatographed on silica gel (ethyl acetate) to give desired product as a yellow solid (51 mg, 23.7%).

Workup

  1. extractionextracted with dichloromethane (2×30 mL)
  2. washThe dichloromethane extracts were washed with 2 N NaOH (aq. 15 mL), brine (15 mL)
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. customThe residue was chromatographed on silica gel (ethyl acetate)

Sources & evidence

ORD record
ord-0756c31f108b40c092e2b1f281f8de22
Source dataset
uspto-grants-2007_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07265122B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes