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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2412789Generated: November 4, 2026

Pyridine → HCID 70491124, compound

https://huagongshe.com/reaction/2412789

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantPhosphorus pentachlorideHCID 24819—
ReactantHCID 70490587HCID 70490587—
SolventMethanolHCID 887—
ProductHCID 70491124HCID 7049112492.8%

Reaction Steps

Benzhydryl 7-(2-phenylacetamido)-3-[2-(4-methoxyphenoxy)acetoxymethyl]-3-cephem-4-carboxylate (6.0 g.), phosphorus pentachloride (5.65 g.), pyridine (2.2 g.) and methanol (7.3 ml.) were reacted according to a similar manner to that of Preparation 30 (4) to give benzhydryl 7-amino-3-[2-(4-methoxyphenoxy)acetoxymethyl]-3-cephem-4-carboxylate (4.6 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04493833
Source datasetuspto-grants-1985_01
ORD IDord-3d3655707a7743b289134c6ab6c73194
Source noteuspto-grants-1985_01