1-(4-Chlorophenyl)cyclopropanecarbohydrazide → (8R)-8-({[t-Butyl(dimethyl)silyl]oxy}methyl)-3-[1-(4-chlorophenyl)cyclopropyl]-8-methyl-5,6,8,9-tetrahydro[1,2,4]triazolo[4,3-d][1,4]thiazepine

HRID 1423980Notes

Reaction equation

[Si:1]([O:8][CH2:9][C@:10]1([CH3:19])[S:16][CH2:15][CH2:14][N:13]=[C:12](SC)[CH2:11]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[Cl:20][C:21]1[CH:26]=[CH:25][C:24]([C:27]2([C:30]([NH:32][NH2:33])=O)[CH2:29][CH2:28]2)=[CH:23][CH:22]=1>C(O)CCC>[Si:1]([O:8][CH2:9][C@:10]1([CH3:19])[S:16][CH2:15][CH2:14][N:13]2[C:30]([C:27]3([C:24]4[CH:23]=[CH:22][C:21]([Cl:20])=[CH:26][CH:25]=4)[CH2:29][CH2:28]3)=[N:32][N:33]=[C:12]2[CH2:11]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]

Participants

Conditions

Temperature: 140 °C

Procedure

The compound (2.09 g, 6.54 mmol) obtained in Example 4-1) and the compound (1.38 g, 6.54 mmol) obtained in Example 1-1) were dissolved in 1-butanol (10 mL), and the mixture was stirred at 140° C. for 6 h under a nitrogen atmosphere. The reaction mixture was cooled to room temperature, then the solvent was distilled off, and the obtained residue was purified by silica gel column chromatography (elution solvent: ethyl acetate/hexane=30% to 90%) to obtain the title compound (2.63 g, 87%) in a white solid form.

Workup

temperatureThe reaction mixture was cooled to room temperature
distillationthe solvent was distilled off
customthe obtained residue was purified by silica gel column chromatography (elution solvent: ethyl acetate/hexane=30% to 90%)

Sources & evidence

ORD record: ord-ab039368466a4252b36033d5d5e14ef2
Source dataset: uspto-grants-2015_01
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08927536B2

Reaction notes

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