1-bromo-2-methoxybutane

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Prepared by following the same method as the preparation of intermediate 42: ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate (280 mg) was reacted with 1-bromo-2-methoxybutane (337 mg) to afford white solid (42 mg, 0.20 mmol, 10%). ESI-MS m/z 213.2 (M+H). Prepared

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Prepared by following the same method as the preparation of Intermediate 42, ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate (280 mg) was reacted with 1-bromo-2-methoxybutane (367 mg) to afford white solid (185 mg, 41%). ESI-MS m/z 227.4 (M+H). Prepared