6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

Base Information

• Chemical Name: 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one
• CAS No.: 126359-50-0
• Molecular Formula: C₃₁H₄₇NO₈Se
• Molecular Weight: 640.676
• Mol file: 126359-50-0.mol

Synonyms:6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

Chemical Property of 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

There total 3 articles about 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one 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: 79.0%

ortho-nitrophenyl selenocyanate (51694-22-5) + 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-iodobutyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one (126359-49-7) → 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one (126359-50-0)

Guidance literature:

With sodium tetrahydroborate; In N,N-dimethyl-formamide; for 1.5h;

DOI:10.1021/jm00112a027

Reference yield:

6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-4-hydroxy-3(R)-methylbutyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one (126359-47-5) → 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one (126359-50-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 81 percent / I₂, Ph₃P, imidazole / acetonitrile / 16 h

2: 79 percent / NaBH₄ / dimethylformamide / 1.5 h

With 1H-imidazole; sodium tetrahydroborate; iodine; triphenylphosphine; In N,N-dimethyl-formamide; acetonitrile;

DOI:10.1021/jm00112a027

Reference yield:

2,2-Dimethyl-butyric acid (1S,3R)-1-{(1S,2S,3S)-2-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-3-methyl-6-oxo-cyclohexyl}-3-methyl-4-oxo-butyl ester → 6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-<(o-nitrophenyl)seleno>butyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one (126359-50-0)

Guidance literature:

Multi-step reaction with 3 steps

1: NaBH₄ / tetrahydrofuran; H₂O / 1 h / 0 °C

2: 81 percent / I₂, Ph₃P, imidazole / acetonitrile / 16 h

3: 79 percent / NaBH₄ / dimethylformamide / 1.5 h

With 1H-imidazole; sodium tetrahydroborate; iodine; triphenylphosphine; In tetrahydrofuran; water; N,N-dimethyl-formamide; acetonitrile;

DOI:10.1021/jm00112a027

upstream raw materials:

ortho-nitrophenyl selenocyanate

6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3(R)-methyl-4-iodobutyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-4-hydroxy-3(R)-methylbutyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

Downstream raw materials:

6(R)-<2-<8(S)-<(2,2-dimethylbutyryl)oxy>-2(S),6(R)-dimethyl-5-oxa-6(S)-<(phenylthio)methyl>-1,2,3,4,4a(R),7,8,8a(R)-octahydronaphthyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

6(R)-<2-<8(S)-<(2,2-dimethylbutyryl)oxy>-2(S),6(S)-dimethyl-5-oxa-6(R)-<(phenylthio)methyl>-1,2,3,4,4a(R),7,8,8a(R)-octahydronaphthyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one

6(R)-<2-<6(R)-<1(S)-<(2,2-dimethylbutyryl)oxy>-3-methyl-3-butenyl>-2(S)-methyl-5(R)-hydroxycyclohexyl-1(S)>ethyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one