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2'-Ethyl-2-(methoxymethyl)-[1,1'-biphenyl]-4-carboxylic acid → tert-butyl 3-[7-{5-[2'-ethyl-2-(methoxymethyl)biphenyl-4-yl]-1,2,4-oxadiazol-3-yl}-3,4-dihydroisoquinolin-2(1H)-yl]propanoate

HRID 400782
Notes
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Reaction equation

HRID 400782 reaction equation
[CH2:1]([C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[C:9]1[CH:14]=[CH:13][C:12]([C:15](O)=O)=[CH:11][C:10]=1[CH2:18][O:19][CH3:20])[CH3:2].[NH2:21][C:22](=[N:42][OH:43])[C:23]1[CH:32]=[C:31]2[C:26]([CH2:27][CH2:28][N:29]([CH2:33][CH2:34][C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:30]2)=[CH:25][CH:24]=1>CCOC(C)=O>[CH2:1]([C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[C:9]1[CH:14]=[CH:13][C:12]([C:15]2[O:43][N:42]=[C:22]([C:23]3[CH:32]=[C:31]4[C:26]([CH2:27][CH2:28][N:29]([CH2:33][CH2:34][C:35]([O:37][C:38]([CH3:39])([CH3:40])[CH3:41])=[O:36])[CH2:30]4)=[CH:25][CH:24]=3)[N:21]=2)=[CH:11][C:10]=1[CH2:18][O:19][CH3:20])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 594958092'-Ethyl-2-(methoxymethyl)-[1,1'-biphenyl]-4-carboxylic acidHCID 76787417tert-butyl 3-[7-[amino(hydroxyimino)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]propanoate

Product 1

HCID 67398206tert-butyl 3-[7-{5-[2'-ethyl-2-(methoxymethyl)biphenyl-4-yl]-1,2,4-oxadiazol-3-yl}-3,4-dihydroisoquinolin-2(1H)-yl]propanoate

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Procedure

Title compound was prepared following general procedure 2 starting from Intermediate 23 (162 mg; 0.6 mmol) and Intermediate 25 (182 mg; 0.6 mmol). The reaction mixture was diluted with EtOAc, washed with water and brine and evaporated under vacuum. Purification by silica column chromatography (c-Hex/(DCM/EtOAc 1:1), 90/10 to 50/50) afforded the title compound as a yellowish oil. LC/MS (method B): 555.5 (M+H)+. HPLC (Method A) Rt 4.98 min.

Workup

  1. customTitle compound was prepared
  2. washwashed with water and brine
  3. customevaporated under vacuum
  4. customPurification by silica column chromatography (c-Hex/(DCM/EtOAc 1:1), 90/10 to 50/50)

Sources & evidence

ORD record
ord-b8afae95772b440490ef4fb85b884ecf
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08741923B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes