((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

Base Information

Chemical Name:((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene
CAS No.:402475-58-5
Molecular Formula:C₃₆H₃₈O₄
Molecular Weight:534.695
Hs Code.:

Synonyms:((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

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Chemical Property of ((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

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Technology Process of ((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

There total 10 articles about ((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene 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: 85.0%

: 1779-49-3
Methyltriphenylphosphonium bromide

: 176540-14-0
3,4,5,7-tetra-O-benzyl-1,2,6-trideoxy-D-galacto-hept-1-en-6-one

: 402475-58-5
((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

Guidance literature:: Methyltriphenylphosphonium bromide; With sodium hexamethyldisilazane; In tetrahydrofuran; at 0 - 20 ℃; for 2h; Inert atmosphere;

3,4,5,7-tetra-O-benzyl-1,2,6-trideoxy-D-galacto-hept-1-en-6-one; In tetrahydrofuran; at 0 ℃; for 1h; Inert atmosphere;
DOI:10.1016/j.tet.2014.12.093

Reference yield:

: 6386-24-9
2,3,4,6-tetra-O-benzyl-D-galactopyranose

: 402475-58-5
((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-BuLi / tetrahydrofuran / -78 - 20 °C

1.2: 67 percent / PCC; AcONa / CH₂Cl₂

2.1: 77 percent / n-BuLi / tetrahydrofuran / -78 - 20 °C

With n-butyllithium; In tetrahydrofuran; 1.1: Wittig reaction / 2.1: Wittig reaction;
DOI:10.1016/S0040-4039(01)01905-0

Reference yield:

: (3S,4R,5S)-1,3,4,5-Tetrakis-benzyloxy-hept-6-en-2-ol

: 402475-58-5
((3S,4R,5S)-2-methylhept-6-ene-1,3,4,5-tetrayl)tetrakis(oxy)tetrakis(methylene)tetrabenzene

Guidance literature:: Multi-step reaction with 2 steps

1.1: 87 percent / NaOAC; PCC; molecular sieves 4 Angstroem / CH₂Cl₂ / 2 h / 20 °C

2.1: n-BuLi / tetrahydrofuran; hexane / 1 h / 0 - 20 °C

2.2: 77 percent / tetrahydrofuran / 2 h / 20 °C

With n-butyllithium; 4 A molecular sieve; sodium acetate; pyridinium chlorochromate; In tetrahydrofuran; hexane; dichloromethane; 2.2: Wittig reaction;
DOI:10.1016/j.tet.2004.07.009