Water → 4-(5-Chloro-6-fluoropyridin-2-yl)morpholine

HRID 455689Notes

Reaction equation

[Cl:1]C1CC(=O)NC1=O.[F:9][C:10]1[N:15]=[C:14]([N:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)[CH:13]=[CH:12][CH:11]=1.O.C(Cl)Cl>C(#N)C>[Cl:1][C:11]1[CH:12]=[CH:13][C:14]([N:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)=[N:15][C:10]=1[F:9]

Participants

Conditions

Temperature: 70 °C

Procedure

Chlorosuccinimide (10.29 g, 77 mmol) was added to a solution of 4-(6-fluoropyridin-2-yl)morpholine (11.7 g, 64.2 mmol) in ACN (15 mL). The reaction mixture was heated to 70° C. for 30 min. Water and DCM were added. The organic phase was separated, washed with aqueous NaHCO3, brine and subsequently dried over MgSO4. The solvent was removed under reduced pressure and the residue was purified by silica gel chromatography (5-20% EtOAc/hexanes) to afford 3.11 g of 4-(5-chloro-6-fluoropyridin-2-yl)morpholine.

Workup

customThe organic phase was separated
washwashed with aqueous NaHCO3, brine
dry with materialsubsequently dried over MgSO4
customThe solvent was removed under reduced pressure
customthe residue was purified by silica gel chromatography (5-20% EtOAc/hexanes)

Sources & evidence

ORD record: ord-4b95d1f3a392427abf1063140f1479ca
Source dataset: uspto-grants-2013_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08497264B2

Reaction notes

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