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(2-Thienylmethyl)amine → 4-[(2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)methyl]-N-(thiophen-2-ylmethyl)benzamide

HRID 2385493
Notes
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Reaction equation

HRID 2385493 reaction equation
[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH2:6][NH2:7].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:7][CH2:6][C:2]2[S:1][CH:5]=[CH:4][CH:3]=2)=[O:43])=[CH:45][CH:46]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 4

HCID 34005(2-Thienylmethyl)amineHCID 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 59352698
4-[(2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)methyl]-N-(thiophen-2-ylmethyl)benzamide

Procedure

Following the procedure as described in EXAMPLE 12 and making non-critical variations using 2-thiophenemethylamine 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-(thiophen-2-ylmethyl)benzamide was obtained (48%) as a colorless solid: mp 167-168° C.; 1H NMR (300 MHz, CDCl3) δ7.81-7.73 (m, 2H), 7.43-7.37 (m, 2H), 7.27-7.16 (m, 3H), 7.07-7.00 (m, 2H), 6.99-6.95 (m, 1H), 6.75-6.70 (m, 1H), 6.48-6.40 (m, 3H), 4.99 (ABq, 2H), 4.84 (ABq, 2H), 4.83-4.78 (m, 2H), 4.59-4.50 (m, 2H), 3.09-2.90 (m, 2H); 13C NMR (75 MHz, CDCl3) δ178.0, 166.5, 161.9, 161.3, 141.7, 140.6, 139.4, 133.7, 132.6, 128.7, 127.7, 127.5, 126.9, 126.2, 125.3, 124.0, 123.6, 120.0 (2C), 118.8, 109.1, 93.3, 80.6, 72.4, 57.7, 43.8, 38.8, 29.0; MS (ES+) m/z 509.2 (M+1).

Sources & evidence

ORD record
ord-fae6295dc2cf4f16a939f7b84fcf9ee6
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08263606B2

Reaction notes

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