HuagongsheHuagongshe Chemistry Print Report · For research reference only
(2S,5S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-5-hydroxy-4-(prop-1-en-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate → (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-4-(prop-1-en-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | (2S,5S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-5-hydroxy-4-(prop-1-en-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate | HCID 89852227 | — |
| Reactant | (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-4-methyl-5,6-dihydropyridine-1(2H)-carboxylate | HCID 89852484 | — |
| Product | (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-4-(prop-1-en-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate | HCID 89852307 | — |
Reaction Steps
The title compound was prepared from (2S,5S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-5-hydroxy-4-(prop-1-en-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate (Intermediate 53, 3.86 g, 10.06 mmol) following the procedure described for Intermediate 10. The desired product was obtained as light yellow foam (3.25 g, 52%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09309245B2 |
| Source dataset | uspto-grants-2016_04 |
| ORD ID | ord-127d922fd639476e958ef883800856fd |
| Source note | uspto-grants-2016_04 |