tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

Base Information

Chemical Name:tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate
CAS No.:1024605-91-1
Molecular Formula:C₁₈H₂₂FNO₄
Molecular Weight:335.375
Hs Code.:

Synonyms:tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

Suppliers and Price of tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

AccelPharmtech
8-fluoro-3,4-dihydro-4-oxo-Spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylicacid1,1-dimethylethylester 97.00%
25G
$ 4010.00

AccelPharmtech
8-fluoro-3,4-dihydro-4-oxo-Spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylicacid1,1-dimethylethylester 97.00%
5G
$ 2180.00

AccelPharmtech
8-fluoro-3,4-dihydro-4-oxo-Spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylicacid1,1-dimethylethylester 97.00%
1G
$ 1940.00

Total 1 raw suppliers

Chemical Property of tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

Chemical Property:

Boiling Point:462.3±45.0 °C(Predicted)
Density:1.25±0.1 g/cm3(Predicted)

Purity/Quality:

98% ^*data from raw suppliers

8-fluoro-3,4-dihydro-4-oxo-Spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylicacid1,1-dimethylethylester 97.00% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

There total 2 articles about tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 88.0%

: 699-92-3
1-(3-fluoro-2-hydroxyphenyl)-ethanone

: 79099-07-3
N-tert-butyloxycarbonylpiperidin-4-one

: 1024605-91-1
tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

Guidance literature:: With pyrrolidine; In methanol; at 20 ℃; for 24h;
DOI:10.1016/j.bmc.2013.08.031

Reference yield:

: 1024605-91-1
tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

Guidance literature:

Reference yield:

: 1024605-91-1
tert-butyl 8-fluoro-4-oxo-3,4-dihydrospiro[chromene-2,4'-piperidine]-1'-carboxylate

: 1'-[2-(2,4-difluorophenyl)ethyl]-3,4-dihydro-8-fluorospiro[2H-1-benzopyran-2,4'-piperidine] hydrochloride

Guidance literature:: Multi-step reaction with 4 steps

1: BH₃ / tetrahydrofuran / 16 h / Heating

2: 5 N aq. HCl / tetrahydrofuran / 3.5 h / Heating

3: K₂CO₃ / acetonitrile / 10 h / Heating

4: H₂; 1 N aq. HCl / 10percent Pd/C / ethanol / 8 h / 2844.39 Torr

With hydrogenchloride; borane; hydrogen; potassium carbonate; 10percent Pd/C; In tetrahydrofuran; ethanol; acetonitrile;
DOI:10.1021/jm011030v