HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Aminopyridine → 8-Benzenesulfonyl-2-pyridin-3-yl-2,8-diaza-spiro[4.5]decan-1-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Aminopyridine | HCID 10009 | — |
| Reactant | Dimethylalumanylium chloride | HCID 16686359 | — |
| Reactant | 1-Benzenesulfonyl-4-(2-methoxy-ethyl)-piperidine-4-carboxylic acid ethyl ester | HCID 66787097 | — |
| Solvent | Heptane | HCID 8900 | — |
| Product | 8-Benzenesulfonyl-2-pyridin-3-yl-2,8-diaza-spiro[4.5]decan-1-one | HCID 49801958 | 26.3% |
Reaction Steps
This material was prepared in analogy to example 1 step D) from 1-benzenesulfonyl-4-(2-methoxy-ethyl)-piperidine-4-carboxylic acid ethyl ester (0.2 g), dimethylaluminium chloride in heptane (0.9 molar, 1.88 ml) and 3-amino-pyridine (0.069 g) to give the desired 8-benzenesulfonyl-2-pyridin-3-yl-2,8-diaza-spiro[4.5]decan-1-one (0.055 g) as a white solid. MS (ESI): 372.13 (MH+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08329904B2 |
| Source dataset | uspto-grants-2012_12 |
| ORD ID | ord-cc05953edc064e688fe5b8bcdbd0cdfe |
| Source note | uspto-grants-2012_12 |