(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

Base Information

Chemical Name:(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester
CAS No.:178358-32-2
Molecular Formula:C₂₃H₃₂O₉
Molecular Weight:452.502
Hs Code.:

Synonyms:(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

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Chemical Property of (R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

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Technology Process of (R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

There total 4 articles about (R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester 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: 97.0%

: 178246-82-7
(R)-3-(tert-Butyl-diphenyl-silanyloxy)-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

: 178358-32-2
(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

Guidance literature:: With pyridine hydrogenfluoride; In dichloromethane; at 0 ℃; for 0.333333h;
DOI:10.1002/hlca.19960790311

Reference yield:

: 178246-79-2
α-benzyl-ω-[(tert-butyl)diphenylsilyloxy]bis[(R)-oxy(3-methyl)-1-oxopropane-1,3-diyl]

: 178358-32-2
(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 99 percent / H₂ / 10percent Pd/C / methanol / 24 h

2: oxalyl chloride / CH₂Cl₂ / Ambient temperature

3: pyridine / CH₂Cl₂ / -78 °C / for hours on end at rt.

4: 97 percent / HF*pyridine / CH₂Cl₂ / 0.33 h / 0 °C

With pyridine; oxalyl dichloride; hydrogen; pyridine hydrogenfluoride; palladium on activated charcoal; In methanol; dichloromethane;
DOI:10.1002/hlca.19960790311

Reference yield:

: (R)-3-(tert-Butyl-diphenyl-silanyloxy)-butyric acid (R)-2-chlorocarbonyl-1-methyl-ethyl ester

: 178358-32-2
(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: pyridine / CH₂Cl₂ / -78 °C / for hours on end at rt.

2: 97 percent / HF*pyridine / CH₂Cl₂ / 0.33 h / 0 °C

With pyridine; pyridine hydrogenfluoride; In dichloromethane;
DOI:10.1002/hlca.19960790311