tert-Butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidine-1-carboxylate

4-[4-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-1H-吡唑-1-基]哌啶-1-甲酸叔丁酯

Also known as: 1-(1-Boc-4-piperidyl)pyrazole-4-boronic acid pinacol ester, 1-(4-N-Boc-piperidine)pyrazole-4-boronic acid pinacol ester, 1-Piperidinecarboxylic acid, 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]-, 1,1-dimethylethyl ester, Crizotinib intermediate, Borate fragment of crizotinib

tert-Butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidine-1-carboxylate (CAS 877399-74-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H32BN3O4 and a molecular weight of 377.286 g/mol. It is also known as 1-(1-Boc-4-piperidyl)pyrazole-4-boronic acid pinacol ester, 1-(4-N-Boc-piperidine)pyrazole-4-boronic acid pinacol ester and 1-Piperidinecarboxylic acid, 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]-, 1,1-dimethylethyl ester. Key properties include a melting point of 114.0 to 118.0 °C, a boiling point of 492.8±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 251.8±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

877399-74-1

Jingsj CID

J-1965599-4

Molecular Formula

C₁₉H₃₂BN₃O₄

Chinese Name

4-[4-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-1H-吡唑-1-基]哌啶-1-甲酸叔丁酯

Molecular Weight

377.286 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026