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Aniline → 4-[(2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)methyl]-N-phenylbenzamide

HRID 1407869
Notes
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Reaction equation

HRID 1407869 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C1(CN)CCCCC1.[O:16]=[C:17]1[C:25]2([CH2:29][O:28][C:27]3[CH:30]=[C:31]4[C:35](=[CH:36][C:26]2=3)[CH2:34][CH2:33][O:32]4)[C:24]2[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=2)[N:18]1[CH2:37][C:38]1[CH:46]=[CH:45][C:41]([C:42](O)=[O:43])=[CH:40][CH:39]=1.O=C1C2(COC3C=C4C(=CC2=3)CCO4)C2C(=CC=CC=2)N1CC1C=C(C=CC=1)C(O)=O>>[O:16]=[C:17]1[C:25]2([CH2:29][O:28][C:27]3[CH:30]=[C:31]4[C:35](=[CH:36][C:26]2=3)[CH2:34][CH2:33][O:32]4)[C:24]2[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=2)[N:18]1[CH2:37][C:38]1[CH:39]=[CH:40][C:41]([C:42]([NH:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[O:43])=[CH:45][CH:46]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 4

HCID 6115AnilineHCID 76688CyclohexanemethylamineHCID 593522533-[(2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)methyl]benzoic acidHCID 593526094-[(2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)methyl]benzoic acid

Product 1

HCID 59352074
4-[(2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)methyl]-N-phenylbenzamide

Procedure

Following the procedure as described in EXAMPLE 12 and making non-critical variations using aniline to replace cyclohexanemethylamine, and 4-[(2′-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-1′(2′H)-yl)methyl]benzoic acid to replace 3-[(2′-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-1′(2′H)-yl)methyl]benzoic acid, 4-[(2′-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-1′(2′H)-yl)methyl]-N-phenylbenzamide was obtained (90%) as a colorless solid: 1H NMR (300 MHz, CDCl3) δ8.34 (s, 1H), 7.83 (d, J=7.8 Hz, 2H), 7.60 (d, J=8.3 Hz, 2H), 7.39-7.23 (m, 4H), 7.23-6.97 (m, 4H), 6.72 (d, J=7.7 Hz, 1H), 6.44 (s, 1H), 6.38 (s, 1H), 4.92 (ABq, 2H), 4.77 (ABq, 2H), 4.48 (t, J=8.5 Hz, 2H), 2.89 (t, J=8.5 Hz, 2H); 13C NMR (75 MHz, CDCl3) δ178.1, 165.2, 161.8, 161.3, 141.6, 139.4, 137.9, 134.6, 132.4, 128.8, 128.7, 127.8, 127.4, 124.4, 123.9, 123.7, 120.2, 119.9, 119.7, 118.7, 109.1, 93.2, 80.4, 72.3, 57.7, 43.7, 28.8; MS (ES+) m/z 489.1 (M+1).

Sources & evidence

ORD record
ord-20d1fb00c4134a5792712e02102c486b
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08916580B2

Reaction notes

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