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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 2385482
Notes
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Reaction equation

HRID 2385482 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-39cd9a0319364a7c9b9dbda950a81d22
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08263606B2

Reaction notes

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