3,4-Difluorobenzeneboronic acid → HCID 90036510, compound

HRID 925781Notes

Reaction equation

HRID 925781 reaction equation
Br[C:2]1[C:10]2[N:9]3[CH2:11][CH2:12][NH:13][C:14](=[O:15])[C:8]3=[C:7]([CH3:16])[C:6]=2[CH:5]=[C:4]([C:17]#[N:18])[CH:3]=1.[F:19][C:20]1[CH:21]=[C:22](B(O)O)[CH:23]=[CH:24][C:25]=1[F:26]>>[F:19][C:20]1[CH:21]=[C:22]([C:2]2[C:10]3[N:9]4[CH2:11][CH2:12][NH:13][C:14](=[O:15])[C:8]4=[C:7]([CH3:16])[C:6]=3[CH:5]=[C:4]([C:17]#[N:18])[CH:3]=2)[CH:23]=[CH:24][C:25]=1[F:26]

Participants

3

Reactant 2

HCID 27343373,4-Difluorobenzeneboronic acidHCID 90036297HCID 90036297, compound2×

Product 1

HCID 90036510HCID 90036510, compound

Procedure

The title compound, light grey solid (73 mg, 87%), MS (ISP) m/z=338.5 [(M+H)+], mp 243° C., was prepared in accordance with the general method of example 1 from 6-bromo-10-methyl-1-oxo-1,2,3,4-tetrahydro-pyrazino[1,2-a]indole-8-carbonitrile (intermediate 16) (76 mg, 0.25 mmol) and commercially available 3,4-difluoro-phenylboronic acid (51.3 mg, 0.325 mmol).

Sources & evidence

ORD record
ord-6f11626fc9e3415ba9aa990be2e858ab
Source dataset
uspto-grants-2016_03
Patent number
US09284321B2

Reaction notes

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