US 11,851,387 B2 · Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivative

Abstract

A fabricating method for a 1,4-diamine cyclic compound derivative includes: performing a first thermal process to form a first compound, in which the first compound has a structure represented by formula (i): in which R represents a C1 to C12 hydrocarbon group; performing a second thermal process, which includes performing a reduction reaction on the first compound to form a second compound, in which the second compound has a structure represented by formula (ii), and performing a third thermal process, which includes performing a reduction reaction on the second compound to form the 1,4-diamine cyclic compound derivative, in which the 1,4-diamine cyclic compound derivative has a structure represented by formula (I) or formula (II): in which R represents a C1 to C12 hydrocarbon group, in which R represents a C1 to C12 hydrocarbon group.

Claims5

Dependent claims

A 1,4-cyclohexanediamine derivative, having a structure represented by formula (II):

wherein R represents a C5 to C12 linear alkyl group.

A fabricating method for a 1,4-diamine cyclic compound derivative, comprising:

performing a first thermal process which comprises using monohydric alcohol and ρ-toluenesulfonic acid for an addition reaction of ρ-nitroacetaniline, such that a first compound is formed, wherein the monohydric alcohol has a C1 to C12 hydrocarbon group, and the first compound has a structure represented by formula (i):
wherein R represents a C1 to C12 hydrocarbon group;
performing a second thermal process which comprises performing a reduction reaction on the first compound, such that a second compound is formed, wherein the second compound has a structure represented by formula (ii),
and
performing a third thermal process which comprises performing a reduction reaction on the second compound, such that the 1,4-diamine cyclic compound derivative is formed, wherein the 1,4-diamine cyclic compound derivative has a structure represented by formula (I) or formula (II):
wherein R represents a C1 to C12 hydrocarbon group,
wherein R represents a C1 to C12 hydrocarbon group.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/811,872Filed 11 Jul 2022

Priority

TW 11013046518 Aug 2021

Published

US 2023/0075418 A19 Mar 2023

Granted

26 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 209/36
By reduction of nitro groups: by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing…
C07C 211/51
With at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton: phenylenediamines
C07C 211/36
Of a saturated carbon skeleton: containing at least two amino groups bound to the carbon skeleton
C07C 2601/14
With a six-membered ring: the ring being saturated

Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivative

Life of this patent

Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivative

Life of this patent

Abstract

Claims5