2-chloro-1H-indole-3-carbaldehyde → HCID 86035888, compound

HRID 751386Notes

Reaction equation

HRID 751386 reaction equation
[Cl:1][C:2]1[NH:3][C:4]2[C:9]([C:10]=1[CH:11]=[O:12])=[CH:8][CH:7]=[CH:6][CH:5]=2.[CH:13]([C:15]1[CH:16]=[C:17](B(O)O)[CH:18]=[CH:19][CH:20]=1)=[O:14]>>[Cl:1][C:2]1[N:3]([C:19]2[CH:18]=[CH:17][CH:16]=[C:15]([CH:13]=[O:14])[CH:20]=2)[C:4]2[C:9]([C:10]=1[CH:11]=[O:12])=[CH:8][CH:7]=[CH:6][CH:5]=2

Participants

3

Procedure

2-Chloro-1H-indole-3-carboxaldehyde is reacted with 3-formylphenylboronic acid as described in Step 1 of Example 29 to afford 2-chloro-1-(3-formylphenyl)-1H-indole-3-carboxaldehyde (99% yield) as a white solid. ESI/MS 284 (M+H); RT 3.37 min; NMR 10.15 (1H, s); 10.12 (1H, s); 8.23 (3H, m); 7.98 (2H, m); 7.41 (2H, m); 7.18 (1H, d, J=9 Hz).

Sources & evidence

ORD record
ord-5a8f471c0c08459c983e58b930aa1cc0
Source dataset
uspto-grants-2008_07
Patent number
US07405300B2

Reaction notes

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