Iodopyrazine → 2-(4-Bromo-3,5-dimethyl-phenyl)-pyrazine

HRID 237648Notes

Reaction equation

HRID 237648 reaction equation
[Br:1][C:2]1[C:7]([CH3:8])=[CH:6][C:5](B2OC(C)(C)C(C)(C)O2)=[CH:4][C:3]=1[CH3:18].I[C:20]1[CH:25]=[N:24][CH:23]=[CH:22][N:21]=1>>[Br:1][C:2]1[C:3]([CH3:18])=[CH:4][C:5]([C:20]2[CH:25]=[N:24][CH:23]=[CH:22][N:21]=2)=[CH:6][C:7]=1[CH3:8]

Participants

3

Reactant 2

HCID 642841IodopyrazineHCID 569731362-(4-Bromo-3,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Product 1

HCID 866973212-(4-Bromo-3,5-dimethyl-phenyl)-pyrazine

Procedure

The title compound is prepared from 2-bromo-1,3-dimethyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzene and 2-iodo-pyrazine following a procedure analogous to that described in Step 1 of Intermediate 56. LC (method 9): tR=1.12 min; Mass spectrum (ESI+): m/z=263/265 (Br) [M+H]+.

Sources & evidence

ORD record
ord-e5d64a6f3fbf4bbaa669713e6263b411
Source dataset
uspto-grants-2014_02
Patent number
US08642585B2

Reaction notes

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