Sodium Hydroxide → (2,6-Dichloro-pyridin-4-yl)-(5-fluoro-2,3-dihydro-indol-1-yl)-methanone
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([C:8](Cl)=[O:9])[CH:5]=[C:4]([Cl:11])[N:3]=1.[F:12][C:13]1[CH:14]=[C:15]2[C:19](=[CH:20][CH:21]=1)[NH:18][CH2:17][CH2:16]2.[OH-].[Na+].C(=O)([O-])O.[Na+]>C(Cl)Cl>[Cl:1][C:2]1[CH:7]=[C:6]([C:8]([N:18]2[C:19]3[C:15](=[CH:14][C:13]([F:12])=[CH:21][CH:20]=3)[CH2:16][CH2:17]2)=[O:9])[CH:5]=[C:4]([Cl:11])[N:3]=1Participants
6
Procedure
2.0 g (9.5 mmol) 2,6-dichloro-pyridine-4-carboxylic acid chloride in 50 mL DCM were cooled in the ice/EtOH bath and combined with 1.3 g (9.6 mmol) 5-fluoro-2,3-dihydro-1H-indole. In addition 9.6 mL (9.6 mmol) of a 1N aqueous sodium hydroxide solution were added dropwise and the mixture was stirred for 2 h while being cooled and for 1 h at RT. Then 50 mL of a saturated sodium hydrogen carbonate solution were added and the mixture was stirred for a further 10 min. The organic phase was separated off, extracted with 1N aqueous hydrochloric acid solution and with water, dried on sodium sulphate and evaporated down.
Workup
- additionwere added dropwise
- stirringthe mixture was stirred for a further 10 min
- customThe organic phase was separated off
- extractionextracted with 1N aqueous hydrochloric acid solution and with water
- customdried on sodium sulphate
- customevaporated down
Sources & evidence
- ORD record
- ord-aac0edd0abf941448d699b3cd2271efd
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08829006B2
Reaction notes
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