<2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic acid

Base Information

• Chemical Name: <2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic acid
• CAS No.: 88155-34-4
• Molecular Formula: C₁₁H₁₅NO₄
• Molecular Weight: 225.244

Synonyms:<2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic acid

Chemical Property of <2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic acid

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Technology Process of <2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic acid

There total 22 articles about <2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic 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: 50.0%

<2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methyl-N-tert-butylbutanamide (131490-80-7) → <2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoic acid (88155-34-4)

Guidance literature:

With sodium hydroxide; In ethanol; for 3h; Ambient temperature;

DOI:10.1021/jo00005a042

Reference yield: 46.0%

(2R,3S,4S)-2-Amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methyl-N-<(S)-1-phenylethyl>butanamide (99943-76-7,100018-66-4,100018-67-5,100018-68-6) → (2R,3S,4S)-2-Amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutansaeure (74342-21-5,88155-34-4,100018-71-1,100018-72-2,100018-73-3,100018-74-4)

Guidance literature:

With sodium hydroxide; at 20 ℃; for 4h;

DOI:10.1002/jlac.198519851107

Reference yield: 39.0%

(2R,3R,4R)-2-Amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methyl-N-<(S)-1-phenylethyl>butanamide (99943-76-7,100018-66-4,100018-67-5,100018-68-6) → (2R,3R,4R)-2-Amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutansaeure (74342-21-5,88155-34-4,100018-71-1,100018-72-2,100018-73-3,100018-74-4)

Guidance literature:

With sodium hydroxide; at 20 ℃; for 4h;

DOI:10.1002/jlac.198519851107

upstream raw materials:

<2(S,R),3(S,R),4(S,R)>-2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methyl-N-tert-butylbutanamide

<5(S,R),4(S,R)>-5-(4-methoxyphenyl)-4-methyl-N-tert-butylisoxazolinecarboxamide

4-methoxy-benzaldehyde

<4(S,R),5(S,R)>-5-(4-hydroxyphenyl)-4-methyl-N-tert-butylisoxazolecarboxamide

Downstream raw materials:

(3R,4R,5R)-3-Amino-5-(4-hydroxy-phenyl)-4-methyl-dihydro-furan-2-one

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