Chlorodifluoroacetic acid → HCID 21094372, compound

HRID 1350145Notes

Reaction equation

HRID 1350145 reaction equation
[CH2:1]([C@@H:3]1[CH2:24][O:23][C:6]2=[C:7]3[C:12](=[CH:13][CH:14]=[C:5]2[NH:4]1)[N:11]=[C:10]([O:15][CH:16]([CH3:18])[CH3:17])[CH:9]=[C:8]3[C:19]([F:22])([F:21])[F:20])[CH3:2].[BH4-].[Na+].[Cl:27][C:28]([F:33])([F:32])[C:29](O)=O>>[Cl:27][C:28]([F:33])([F:32])[CH2:29][N:4]1[C:5]2[C:6](=[C:7]3[C:12](=[CH:13][CH:14]=2)[N:11]=[C:10]([O:15][CH:16]([CH3:18])[CH3:17])[CH:9]=[C:8]3[C:19]([F:21])([F:22])[F:20])[O:23][CH2:24][C@H:3]1[CH2:1][CH3:2]

Participants

4

Reactant 3

HCID 66154Chlorodifluoroacetic acidHCID 4311764Sodium borohydrideHCID 69319657HCID 69319657, compound

Product 1

HCID 21094372HCID 21094372, compoundYield 61%

Procedure

This compound was prepared according to General Method 6 (EXAMPLE 3) from (3R)-3-ethyl-3,4-dihydro-8-isopropoxy-10-(trifluoromethyl)-2H-[1,4]oxazino[2,3-f]quinoline (22 mg, 0.06 mmol) and NaBH4 pellets (large excess, >10 equiv) in 4 mL chlorodifluoroacetic acid (0.02 M) stirred at rt for 12 h, to afford 17 mg (61%) of (3R)-4-(2-chloro-2,2-difluoroethyl)-3-ethyl-3,4-dihydro-8-isopropoxy-10-(trifluoromethyl)-2H-[1,4]oxazino[2,3-f]quinoline. 1H NMR (500 MHz, CDCl3) 7.44 (d, 1H, J=9.3), 7.32 (d, J=1H, 9.3), 7.21 (s, 1H), 5.50 (m, 1H), 4.39 (dd, 1H, J=10.7, 1.5), 4.09 (m, 1H), 3.99 (dd, 1H, J=10.7, 2.4), 3.92 (m, 1H), 3.33 (m, 1H), 1.6 (m, 2H), 1.39 (d, 3H, J=6.3), 1.38 (d, 3H, J=6.3), 0.99 (t, 3H, J=7.3).

Workup

  1. customThis compound was prepared

Sources & evidence

ORD record
ord-95c45350cbdd4fe6a525a96ff3b8d428
Source dataset
uspto-grants-2007_05
Patent number
US07214690B2

Reaction notes

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