tert-Butyl 5-chloro-3-oxo-3H-spiro[isobenzofuran-1,4'-piperidine]-1'-carboxylate

5-氯-3-氧代-3H-螺[异苯并呋喃-1,4-哌啶]-1-羧酸叔丁酯

Also known as: tert-Butyl 5-chloro-3-oxo-3H-spiro[isobenzofuran-1,4'-piperidine]-1'-carboxylate, 2-Methyl-2-propanyl 5-chloro-3-oxo-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate, Spiro[isobenzofuran-1(3H),4'-piperidine]-1'-carboxylic acid, 5-chloro-3-oxo-, 1,1-dimethylethyl ester

tert-Butyl 5-chloro-3-oxo-3H-spiro[isobenzofuran-1,4'-piperidine]-1'-carboxylate (CAS 849106-20-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H20ClNO4 and a molecular weight of 337.798 g/mol. It is also known as 2-Methyl-2-propanyl 5-chloro-3-oxo-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate and Spiro[isobenzofuran-1(3H),4'-piperidine]-1'-carboxylic acid, 5-chloro-3-oxo-, 1,1-dimethylethyl ester. Key properties include a boiling point of 499.2±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 255.7±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

849106-20-3

Jingsj CID

J-1125105-5

Molecular Formula

C₁₇H₂₀ClNO₄

Chinese Name

5-氯-3-氧代-3H-螺[异苯并呋喃-1,4-哌啶]-1-羧酸叔丁酯

Molecular Weight

337.798 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026