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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2279358Generated: October 30, 2026

Formaldehyde → (2,3-Dihydro-benzo[1,4]dioxin-6-ylmethyl)-{1-[2-(7-methoxy-quinoxalin-2-ylsulfanyl)-ethyl]-piperidin-4-yl}-methyl-amine

https://huagongshe.com/reaction/2279358

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
Reactant(2,3-Dihydro-benzo[1,4]dioxin-6-ylmethyl)-{1-[2-(7-methoxy-quinoxalin-2-ylsulfanyl)-ethyl]-piperidin-4-yl}-amineHCID 46852697—
Product(2,3-Dihydro-benzo[1,4]dioxin-6-ylmethyl)-{1-[2-(7-methoxy-quinoxalin-2-ylsulfanyl)-ethyl]-piperidin-4-yl}-methyl-amineHCID 66747431—

Reaction Steps

The title compound is prepared as a yellow foam (30 mg, 29% yield) following Scheme 3 and in analogy to Example 40 using paraformaldehyde (37 mg, 0.64 mmol 3.0 eq) and (2,3-dihydro-benzo[1,4]dioxin-6-ylmethyl)-{1-[2-(7-methoxy-quinoxalin-2-ylsulfanyl)-ethyl]-piperidin-4-yl}-amine (100 mg, 0.22 mmol, 1.0 eq) as starting materials.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09133219B2
Source datasetuspto-grants-2015_09
ORD IDord-8fccbe747d7a46ba8f7f5d27948959d7
Source noteuspto-grants-2015_09