HuagongsheHuagongshe Chemistry Print Report · For research reference only
Diisopropylethylamine → 1-[5-Cyclopropyl-6-(4-fluoro-benzyl)-pyridine-2-carbonyl]-1,8-diaza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate | HCID 2733207 | — |
| Reactant | tert-Butyl 1,8-diazaspiro(4.5)decane-8-carboxylate | HCID 25212666 | — |
| Reactant | 5-Cyclopropyl-6-(4-fluoro-benzyl)-pyridine-2-carboxylic acid | HCID 71087698 | — |
| Product | 1-[5-Cyclopropyl-6-(4-fluoro-benzyl)-pyridine-2-carbonyl]-1,8-diaza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester | HCID 90203564 | — |
Reaction Steps
In analogy to the procedure described in Example 47 b), 5-cyclopropyl-6-(4-fluoro-benzyl)-pyridine-2-carboxylic acid (Example 5 g)) was reacted with tert-butyl 1,8-diazaspiro[4.5]decane-8-carboxylate (937729-06-1) in the presence of TBTU and DIEA to obtain the title compound as colorless oil; MS (EI): m/e=494.6 [MH+].
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09303012B2 |
| Source dataset | uspto-grants-2016_04 |
| ORD ID | ord-fe0f3f04c28b4565a4020c81ef8b0ffb |
| Source note | uspto-grants-2016_04 |