[(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester

Base Information

• Chemical Name: [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester
• CAS No.: 207123-36-2
• Molecular Formula: C₂₄H₃₆N₂O₄
• Molecular Weight: 416.561
• Mol file: 207123-36-2.mol

Synonyms:[(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester

Chemical Property of [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester

There total 12 articles about [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl 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: 89.0%

[(R)-1-((2S,3R,5S)-3-Iodo-5-methyl-tetrahydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester (207123-35-1) → [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester (207123-36-2)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In N,N-dimethyl-formamide; at 80 ℃;

DOI:10.1039/a800727f

Reference yield:

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical (2564-83-2,45842-10-2,126517-51-9,25657-03-8,26933-82-4,54637-06-8,64104-42-3) → [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester (207123-36-2)

Guidance literature:

Multi-step reaction with 5 steps

2: H₂O, HCl / methanol; tetrahydrofuran / Heating

3: K₂CO₃ / methanol / 20 °C

4: 76 percent / I₂, PPh₃, DMAP / benzene; CH₂Cl₂ / 0 - 60 °C

5: 89 percent / DBU / dimethylformamide / 80 °C

With hydrogenchloride; dmap; water; iodine; potassium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; benzene;

DOI:10.1039/a800727f

Reference yield:

(S,S)-2,2-dimethyl-4-[(tert-butyldimethylsilyloxy)methyl]-5-vinyl-1,3-dioxolane (207123-21-5) → [(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester (207123-36-2)

Guidance literature:

Multi-step reaction with 10 steps

1: I₂, PPh₃, imidazole / tetrahydrofuran / 20 °C

2: CuBr₂*SMe₂, HMPA / tetrahydrofuran / -50 °C

3: H₂O, HCl / methanol / 20 °C

4: 1.) Hg(OCOCF₃)2, K₂CO₃, 2.) Et₃B, LiBH₄ / 1.) THF, -78 deg C, 2.) -78 deg C

5: 83 percent / DBU / acetonitrile / -30 °C

7: H₂O, HCl / methanol; tetrahydrofuran / Heating

8: K₂CO₃ / methanol / 20 °C

9: 76 percent / I₂, PPh₃, DMAP / benzene; CH₂Cl₂ / 0 - 60 °C

10: 89 percent / DBU / dimethylformamide / 80 °C

With 1H-imidazole; hydrogenchloride; N,N,N,N,N,N-hexamethylphosphoric triamide; dmap; lithium borohydride; copper bromide dimethyl sulfide complex; triethyl borane; water; iodine; mercury(II) trifluoroacetate; potassium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile; benzene;

DOI:10.1039/a800727f

upstream raw materials:

[(R)-1-((2S,3R,5S)-3-Iodo-5-methyl-tetrahydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

(S,S)-2,2-dimethyl-4-[(tert-butyldimethylsilyloxy)methyl]-5-vinyl-1,3-dioxolane

(S,S)-2,2-dimethyl-4-(tert-butyldimethylsilyloxy)methyl-5-hydroxymethyl-1,3-dioxolane

Downstream raw materials:

2,5-anhydro-1,3,4,6-tetradeoxy-6-<<(phenylmethoxy)carbonyl>amino>-D-xylo-hept-3-enitol

(S)-Benzyloxycarbonylamino-((2R,5S)-5-methyl-2,5-dihydro-furan-2-yl)-acetic acid

[(S)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-oxo-ethyl]-carbamic acid benzyl ester