HuagongsheHuagongshe Chemistry Print Report · For research reference only
(2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-(hydroxymethyl)-3-methyl-5,6-dihydropyridine-1(2H)-carboxylate → (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-(hydroxymethyl)-3-isopropyl-5,6-dihydropyridine-1(2H)-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-(hydroxymethyl)-3-methyl-5,6-dihydropyridine-1(2H)-carboxylate | HCID 89852407 | — |
| Reactant | (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-3-isopropyl-5,6-dihydropyridine-1(2H)-carboxylate | HCID 89852426 | — |
| Product | (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-(hydroxymethyl)-3-isopropyl-5,6-dihydropyridine-1(2H)-carboxylate | HCID 89852457 | 87.2% |
Reaction Steps
(2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-(hydroxymethyl)-3-isopropyl-5,6-dihydropyridine-1(2H)-carboxylate (660 mg, 87%) was prepared a similar manner as described in Intermediate 81 as a yellow oil, using (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-3-isopropyl-5,6-dihydropyridine-1(2H)-carboxylate (Intermediate 91, 0.928 g, 1.48 mmol) as a starting material.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09309245B2 |
| Source dataset | uspto-grants-2016_04 |
| ORD ID | ord-0f1e03691b564dcfa0111c3558001947 |
| Source note | uspto-grants-2016_04 |