# US 12,110,296 B2 · Compound, and method for producing the same

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- Number: US 12,110,296 B2
- Document ID: US12110296B2
- Status: Granted
- Kind: B2
- Application number: 17/283,385
- Filed: 2019-10-07
- Published: 2021-12-09
- Granted: 2024-10-08
- Earliest claimed: 2018-10-17
- Assignees: N.E. Chemcat Corporation; Osaka University
- Applicants: N.E. Chemcat Corporation; Osaka University
- Inventors: Kiyotomi Kaneda; Takato Mitsudome; Yoshiyuki Wada; Yukio Takagi
- Web page: https://patentgrep.com/patent/US12110296B2

## CPC

- C07D 487/08: Bridged systems
- B01J 6/001: {Calcining}
- B01J 23/6482: {Vanadium}
- B01J 23/6525: {Molybdenum}
- B01J 27/1806: {with alkaline or alkaline earth metals}
- B01J 37/0036: {Grinding}
- B01J 37/04: Mixing {(B01J37/0009, B01J37/0018 take precedence)}
- C01B 39/48: using at least one organic template directing agent
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}

## Abstract

The present invention provides a method for producing a compound represented by formula (2), comprising at least a step of preparing a compound represented by formula (1) and a step of reacting the compound represented by formula (1) with a hydrogen source using a catalyst, wherein R1 and R2 are each independently an alkyl group.

## Claims

### Claim 1

A method for producing a compound of formula (2), the method comprising:
reacting a compound of formula (1) with a hydrogen source in the presence of a catalyst,
wherein R1 and R2 are each independently an alkyl group.

### Claim 2 (depends on 1)

The method according to claim 1, wherein
R1 and R2 are each an ethyl group.

### Claim 3 (depends on 1)

The method according to claim 1, wherein
the hydrogen source comprises one or more selected from the group consisting of molecular hydrogen, ammonium formate, sodium formate, hydrazine and sodium boron hydride.

### Claim 4 (depends on 1)

The method according to claim 1, wherein
the hydrogen source is molecular hydrogen.

### Claim 5 (depends on 1)

The method according to claim 1, wherein
the reacting is carried out by a wet process.

### Claim 6 (depends on 1)

The method according to claim 1, wherein
the catalyst is a heterogeneous catalyst.

### Claim 7

A compound of formula (2):
wherein R1 and R2 are each an ethyl group.