2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

Base Information

Chemical Name:2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid
CAS No.:207803-68-7
Molecular Formula:C₁₅H₁₉F₂NO₅
Molecular Weight:331.316
Hs Code.:

Synonyms:2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

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Chemical Property of 2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

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Technology Process of 2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

There total 5 articles about 2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid 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: 81.0%

: 207803-72-3
2-(Benzhydrylidene-amino)-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid benzyl ester

: 207803-68-7
2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

Guidance literature:: With hydrogen; palladium on activated charcoal; In methanol; for 4h; under 3750.3 Torr;
DOI:10.1016/S0040-4020(98)00192-6

Reference yield:

: 106-44-5
p-cresol

: 207803-68-7
2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

Guidance literature:: Multi-step reaction with 5 steps

1: 100 percent / NaH / dioxane / 3 h / Heating

2: 76 percent / toluene / 6 h / 80 °C

3: 83 percent / NBS, CaCO₃, DBP / CCl₄ / 3 h / Heating

4: LDA, DMPU / tetrahydrofuran / 1.) -78 deg C, 20 min, 2.) -78 deg C, 2 h; warm to room temperature, 2 h

5: 81 percent / H₂ / 10percent Pd/C / methanol / 4 h / 3750.3 Torr

With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; N-Bromosuccinimide; Phthalic acid dibutyl ester; hydrogen; sodium hydride; calcium carbonate; lithium diisopropyl amide; palladium on activated charcoal; In tetrahydrofuran; 1,4-dioxane; methanol; tetrachloromethane; toluene;
DOI:10.1016/S0040-4020(98)00192-6

Reference yield:

: 207803-79-0
difluoro-(4-methylphenoxy)acetic acid

: 207803-68-7
2-Amino-3-[4-(tert-butoxycarbonyl-difluoro-methoxy)-phenyl]-propionic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 76 percent / toluene / 6 h / 80 °C

2: 83 percent / NBS, CaCO₃, DBP / CCl₄ / 3 h / Heating

3: LDA, DMPU / tetrahydrofuran / 1.) -78 deg C, 20 min, 2.) -78 deg C, 2 h; warm to room temperature, 2 h

4: 81 percent / H₂ / 10percent Pd/C / methanol / 4 h / 3750.3 Torr

With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; N-Bromosuccinimide; Phthalic acid dibutyl ester; hydrogen; calcium carbonate; lithium diisopropyl amide; palladium on activated charcoal; In tetrahydrofuran; methanol; tetrachloromethane; toluene;
DOI:10.1016/S0040-4020(98)00192-6