Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1184756Generated: October 25, 2026

4-Bromopyridazine hydrobromide → 4-(5-Pyridazin-4-yl-2,3-dihydro-benzofuran-2-yl)-piperidine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/1184756

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromopyridazine hydrobromideHCID 53407906—
Reactant4-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3-dihydro-benzofuran-2-yl]-piperidine-1-carboxylic acid tert-butyl esterHCID 67973629—
Product4-(5-Pyridazin-4-yl-2,3-dihydro-benzofuran-2-yl)-piperidine-1-carboxylic acid tert-butyl esterHCID 67990213—

Reaction Steps

The title compound is prepared from 4-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3-dihydro-benzofuran-2-yl]-piperidine-1-carboxylic acid tert-butyl ester and 4-bromopyridazine hydrobromide following a procedure analogous to that described in Example 1. LC (method 6): tR=1.19 min; Mass spectrum (ESI+): m/z=382 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08669271B2
Source datasetuspto-grants-2014_03
ORD IDord-3b7cadd347784a339a74745d65af36d1
Source noteuspto-grants-2014_03