Production Method 1

150-19-6

863309-86-8

Reaction Conditions

1.1 Reagents: Potassium carbonate Solvents: tert-Butanol
2.1 Reagents: Trifluoroacetic acid ,  Trifluoromethanesulfonic acid
2.2 Solvents: Water

Reference

Synthesis of Flavanones via Palladium(II)-Catalyzed One-Pot β-Arylation of Chromanones with Arylboronic Acids

Yoo, Hyung-Seok; et al, Journal of Organic Chemistry, 2019, 84(16), 10012-10023

Production Method 2

6279-84-1

863309-86-8

Reaction Conditions

1.1 Reagents: Aluminum chloride ;  rt; 1 h, 150 °C
1.2 Reagents: Hydrochloric acid Solvents: Water ;  10 min, rt

Reference

Simple preparation of chromanones and N-alkyltetrahydro-4-quinolones

Romanelli, Gustavo P.; et al, International Electronic Conferences on Synthetic Organic Chemistry, 2004, 888, 888-891

Production Method 3

6279-84-1

863309-86-8

Reaction Conditions

1.1 Reagents: Trifluoroacetic acid ,  Trifluoromethanesulfonic acid
1.2 Solvents: Water

Reference

Synthesis of Flavanones via Palladium(II)-Catalyzed One-Pot β-Arylation of Chromanones with Arylboronic Acids

Yoo, Hyung-Seok; et al, Journal of Organic Chemistry, 2019, 84(16), 10012-10023

5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one Raw materials

• 3-Methoxyphenol
• 3-(3-methoxyphenoxy)propanenitrile

5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one Preparation Products

• 5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one (863309-86-8)

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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Benzopyrans Chromones
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Benzopyrans 1-benzopyrans Chromones

• 491-37-2(3,4-dihydro-2H-1-benzopyran-4-one)
• 1341-36-2(4-CHROMANONE)
• 15773-95-2(6,8-Dimethyl-3,4-dihydro-2H-1-benzopyran-4-one)
• 4707-39-5(4H-Naphtho[2,3-b]pyran-4-one,2,3-dihydro-)
• 54107-66-3(5,7-Dimethoxychroman-4-one)
• 39513-75-2(6-Methyl-4-chromanone)
• 5802-17-5(6-methoxy-3,4-dihydro-2H-1-benzopyran-4-one)
• 42327-52-6(7-Methoxychroman-4-one)
• 76240-27-2(7-hydroxy-3,4-dihydro-2H-1-benzopyran-4-one)
• 80096-64-6(6-hydroxy-3,4-dihydro-2H-1-benzopyran-4-one)