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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1793768Generated: October 25, 2026

O-Xylene → 5-Ortho-tolylpentene

https://huagongshe.com/reaction/1793768

Reaction equation

Participants

RoleNameHCIDCharge
ReactantO-XyleneHCID 7237—
Reactant1,3-ButadieneHCID 7845—
Product5-Ortho-tolylpenteneHCID 10877425—

Reaction Steps

The synthesis of 2,6-NDC typically includes several steps. In a typical synthesis, orthoxylene and butadiene are reacted over an alkali metal or other catalyst to yield a 5-orthotolyl pentene (5-OTP) alkenylation product. The 5-OTP is then cyclized over an acid catalyst to yield 1,5 dimethyltetralin (1,5-DMT). The 1,5 DMT is dehydrogenated over a noble metal or other dehydrogenation catalyst to yield 1,5 dimethylnaphthalene (1,5-DMN), which is subsequently isomerized to produce 2,6-DMN.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07022637B2
Source datasetuspto-grants-2006_04
ORD IDord-503e25d5855441cebc99cb4ab3010d46
Source noteuspto-grants-2006_04