3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

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Chemical Name:3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion
CAS No.:104555-15-9
Molecular Formula:C₂₁H₁₆O₅
Molecular Weight:348.355
Hs Code.:

Synonyms:3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

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Chemical Property of 3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

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Technology Process of 3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

There total 4 articles about 3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 28.0%

: 104555-01-3
3-Hydroxy-4-(4-methoxyphenyl)-2H-pyran-2,5(6H)-dion

: 104-55-2
3-phenyl-propenal

: 104555-15-9
3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

Guidance literature:: With hydrogenchloride; In acetic acid; at 90 ℃; for 3h;

Reference yield:

: 20772-13-8
1-bromo-3-(4-methoxyphenyl)-2-propanone

: 104555-15-9
3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

Guidance literature:: Multi-step reaction with 3 steps

1: 65 percent / H₂O; dimethylsulfoxide / 44 h / 25 °C

2: 70 percent / 96percent 1,8-diazabicyclo<5.4.0>undec-7-en / dimethylformamide / 2 h / -15 °C

3: 28 percent / conc. HCl / acetic acid / 3 h / 90 °C

With hydrogenchloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; In water; acetic acid; dimethyl sulfoxide; N,N-dimethyl-formamide;

Reference yield:

: 104554-99-6
Oxalsaeure-(ethyl)<3-(4-methoxyphenyl)-2-oxopropyl>ester

: 104555-15-9
3-Hydroxy-4-(4-methoxyphenyl)-6-(3-phenylpropenyliden)-2H-pyran-2,5(6H)-dion

Guidance literature:: Multi-step reaction with 2 steps

1: 70 percent / 96percent 1,8-diazabicyclo<5.4.0>undec-7-en / dimethylformamide / 2 h / -15 °C

2: 28 percent / conc. HCl / acetic acid / 3 h / 90 °C

With hydrogenchloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; In acetic acid; N,N-dimethyl-formamide;