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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 627232Generated: October 29, 2026

N-(Benzyloxy)-2-nitrobenzenesulfonamide → (2S,5R)-tert-butyl 5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-4-(2-nitroethyl)-5,6-dihydropyridine-1(2H)-carboxylate

https://huagongshe.com/reaction/627232

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(Benzyloxy)-2-nitrobenzenesulfonamideHCID 9839578—
Reactant(2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-3-methyl-5,6-dihydropyridine-1(2H)-carboxylateHCID 89852556—
Reactant(2S,5S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-5-hydroxy-4-(2-nitroethyl)-5,6-dihydropyridine-1 (2H)-carboxylateHCID 89852570—
Product(2S,5R)-tert-butyl 5-(N-(benzyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-4-(2-nitroethyl)-5,6-dihydropyridine-1(2H)-carboxylateHCID 89852745—

Reaction Steps

The title compound was prepared as a pale yellow oil (5 g, 30%) according to the procedure described for Intermediate 80, from (2S,5S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-5-hydroxy-4-(2-nitroethyl)-5,6-dihydropyridine-1 (2H)-carboxylate (Intermediate 219, 6.73 g, 16.3 mmol) and N-(benzyloxy)-2-nitrobenzenesulfonamide (7.40 g, 24.00 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09309245B2
Source datasetuspto-grants-2016_04
ORD IDord-8f2326d1e85047d0a6742fd0ce41a2e0
Source noteuspto-grants-2016_04