(2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide

Base Information

• Chemical Name: (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide
• CAS No.: 129390-49-4
• Molecular Formula: C₂₅H₄₁NO₆Si
• Molecular Weight: 479.689
• Mol file: 129390-49-4.mol

Synonyms:(2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide

Chemical Property of (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide

There total 4 articles about (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide 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: 87.0%

(1R)-2-{[tert-butyl(dimethyl)silyl]oxy}-1-phenylethanamine (120417-13-2,120666-55-9) + 2,3-O-cyclohexylidene-D-ribonolactone acetate (129390-46-1) → (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide (129390-49-4)

Guidance literature:

In methanol; for 2h; Heating;

Reference yield:

2,3-O-cyclohexylidene-γ-D-ribonolactone (27304-20-7,546141-19-9) → (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide (129390-49-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 93 percent / pyridine / CH₂Cl₂

2: 87 percent / methanol / 2 h / Heating

With pyridine; In methanol; dichloromethane;

Reference yield:

1-methoxy-cyclohex-1-ene (931-57-7) → (2R,3R)-3-((R)-1,2-Dihydroxy-ethyl)-1,4-dioxa-spiro[4.5]decane-2-carboxylic acid [(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amide (129390-49-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 67 percent / BF₃*OEt₂ / tetrahydrofuran / 7 h / Ambient temperature

2: 93 percent / pyridine / CH₂Cl₂

3: 87 percent / methanol / 2 h / Heating

With pyridine; boron trifluoride diethyl etherate; In tetrahydrofuran; methanol; dichloromethane;

upstream raw materials:

(1R)-2-{[tert-butyl(dimethyl)silyl]oxy}-1-phenylethanamine

2,3-O-cyclohexylidene-D-ribonolactone acetate

2,3-O-cyclohexylidene-γ-D-ribonolactone

1-methoxy-cyclohex-1-ene

Downstream raw materials:

N-(2R)-<2-phenyl-1-(tert-butyldimethylsiloxy)ethyl>-(3R,4S,5R)-3,4-(cyclohexylidenedioxy)-5-hydroxy-2-pyrrolidinone

N-(2R)-(2-phenyl-1-hydroxyethyl)-(3R,4S,5R)-3,4-(cyclohexylidenedioxy)-5-hydroxy-2-pyrrolidinone