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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 37791Generated: October 25, 2026

4-Bromophenylhydrazine hydrochloride → 9-bromo-3,4,5,6-tetrahydro-1H-2,5-ethanoazepino[4,3-b]indole

https://huagongshe.com/reaction/37791

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromophenylhydrazine hydrochlorideHCID 12157—
Reactant1-Azabicyclo[3.2.2]nonan-4-oneHCID 6420307—
Product9-bromo-3,4,5,6-tetrahydro-1H-2,5-ethanoazepino[4,3-b]indoleHCID 67238975—

Reaction Steps

4-Bromophenylhydrazine hydrochloride (4.33 g, 19.37 mmol; Aldrich) and the product of Example 1A (2.70 g, 19.37 mmol) were processed as described in Example 1B to provide the title compound: 1H NMR (300 MHz, methanol-d4) δ ppm 2.14-2.36 (m, 4 H), 3.17-3.25 (m, 1 H), 3.33-3.45 (m, 2 H), 3.45-3.65 (m, 2 H), 4.54 (s, 2 H), 7.18 (dd, J=8.8, 1.8 Hz, 1 H), 7.24 (d, J=9.1 Hz, 1 H), 7.51 (d, J=2.4 Hz, 1 H); MS (DCI) m/z 291/293 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08524703B2
Source datasetuspto-grants-2013_09
ORD IDord-c64b66b49ab94e219653701ce085ce8f
Source noteuspto-grants-2013_09