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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1035304Generated: October 31, 2026

4-Ethoxy-2-fluoronitrobenzene → (4aS)-3-benzyl-10-ethoxy-1,2,3,4,4a,5-hexahydropyrazino[1,2-a][1,5]benzodiazepin-6(7H)-one

https://huagongshe.com/reaction/1035304

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Ethoxy-2-fluoronitrobenzeneHCID 13538651—
Reactant2-(1-(2-amino-5-ethoxyphenyl)-4-benzylpiperazin-2-yl)acetic acid 2-(1-(2-Amino-5-ethoxyphenyl)-4-benzylpiperazin-2-yl)acetic acidHCID 66769622—
Product(4aS)-3-benzyl-10-ethoxy-1,2,3,4,4a,5-hexahydropyrazino[1,2-a][1,5]benzodiazepin-6(7H)-oneHCID 67250321—

Reaction Steps

The title compound was prepared according to the procedure outlined in Example 43A substituting 2-(1-(2-amino-5-methoxyphenyl)-4-benzylpiperazin-2-yl)acetic acid for 2-(1-(2-amino-5-ethoxyphenyl)-4-benzylpiperazin-2-yl)acetic acid 2-(1-(2-Amino-5-ethoxyphenyl)-4-benzylpiperazin-2-yl)acetic acid was prepared according the procedure outlined in Examples 12D, 12E, and 12F by substituting 2-fluoro-4-methoxy-1-nitrobenzene with 2-fluoro-4-ethoxy-1-nitrobenzene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08546377B2
Source datasetuspto-grants-2013_10
ORD IDord-f72d18e6fa2c4d64a54374f840dfb695
Source noteuspto-grants-2013_10