4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

Base Information

Chemical Name:4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one
CAS No.:78838-39-8
Molecular Formula:C₂₈H₂₉NO₄
Molecular Weight:443.543
Hs Code.:

Synonyms:4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

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Chemical Property of 4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

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Technology Process of 4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

There total 4 articles about 4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one 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: 85.0%

: 78838-36-5,78838-37-6
6-<4'-(3',4'-cis-7'-Methoxy-2',2'-dimethyl-3'-phenyl)-chromanyl>benz-1,4-oxazin-3-one

: 75-03-6
ethyl iodide

: 78838-39-8
4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

Guidance literature:: With sodium hydroxide; In ethanol; water; Ambient temperature;

Reference yield:

: 51423-18-8
cis-2,2-Dimethyl-3-phenyl-4-(p-hydroxyphenyl)-7-methoxychroman

: 78838-39-8
4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / conc. HNO₃ / acetic acid / 0.5 h / 8 - 10 °C

2: 95 percent / K₂CO₃ / acetone / Heating

3: 98 percent / H₂ / 10percent Pd/C / ethyl acetate; methanol / 1.5 h / 1551.4 Torr

4: 85 percent / sodium hydroxide / ethanol; H₂O / Ambient temperature

With sodium hydroxide; hydrogen; nitric acid; potassium carbonate; palladium on activated charcoal; In methanol; ethanol; water; acetic acid; ethyl acetate; acetone;

Reference yield:

: 78838-23-0,78838-24-1
3,4-cis-7-Methoxy-2,2-dimethyl-3-phenyl-4-(4'-hydroxy-3'-nitrophenyl)chroman

: 78838-39-8
4-Ethyl-6-((3R,4S)-7-methoxy-2,2-dimethyl-3-phenyl-chroman-4-yl)-4H-benzo[1,4]oxazin-3-one

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / K₂CO₃ / acetone / Heating

2: 98 percent / H₂ / 10percent Pd/C / ethyl acetate; methanol / 1.5 h / 1551.4 Torr

3: 85 percent / sodium hydroxide / ethanol; H₂O / Ambient temperature

With sodium hydroxide; hydrogen; potassium carbonate; palladium on activated charcoal; In methanol; ethanol; water; ethyl acetate; acetone;