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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1992162Generated: October 30, 2026

Pivaloyl chloride → HCID 68679108, compound

https://huagongshe.com/reaction/1992162

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPivaloyl chlorideHCID 62493—
ReactantDiisopropylethylamineHCID 81531—
ReactantHCID 68677086HCID 68677086—
ProductHCID 68679108HCID 6867910854%

Reaction Steps

N-[1-(4-(3-Fluoro-phenyl)-4-{2-[3-(2-methyl-benzoimidazol-1-yl)-8-aza-bicyclo[3.2.1]oct-8-yl]-ethyl}-piperidine-1-carbonyl)-propyl]-2,2-dimethyl-propionamide was obtained from treating[1-(4-(3-Fluoro-phenyl)-4-{2-[3-(2-methyl-benzoimidazol-1-yl)-8-aza-bicyclo[3.2.1]oct-8-yl]-ethyl}-piperidine-1-carbonyl)-propyl]-carbamic acid tert-butyl ester (0.580 g, 0.92 mmol) with HCl as outlined in the procedure for example 890 to form 2-Amino-1-(4-(3-fluoro-phenyl)-4-{2-[3-(2-methyl-benzoimidazol-1-yl)-8-aza-bicyclo[3.2.1]oct-8-yl]-ethyl}-piperidin-1-yl)-butan-1-one (0.488 g, 99%). 2-Amino-1-(4-(3-fluoro-phenyl)-4-{2-[3-(2-methyl-benzoimidazol-1-yl)-8-aza-bicyclo[3.2.1]oct-8-yl]-ethyl}-piperidin-1-yl)-butan-1-one (0.049 g, 0.09 mmol, 2,2-Dimethyl-propionyl chloride (0.011 g, 0.09 mmol) and DIEA (0.034 g, 0.534 mmol) were reacted following the procedure outlined in example 890 to give the title compound, N-[1-(4-(3-Fluoro-phenyl)-4-{2-[3-(2-methyl-benzoimidazol-1-yl)-8-aza-bicyclo[3.2.1]oct-8-yl]-ethyl}-piperidine-1-carbonyl)-propyl]-2,2-dimethyl-propionamide (0.030 g, 54%) as an oil. ES-LCMS m/z 616 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07645771B2
Source datasetuspto-grants-2010_01
ORD IDord-018e176961554c73bc5f07c0c7e0d94a
Source noteuspto-grants-2010_01