1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole

Base Information

Chemical Name:1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole
CAS No.:725229-62-9
Molecular Formula:C₇₀H₁₂₃N₃O₄Si₄
Molecular Weight:1183.11
Hs Code.:

1,4-bis-[2-(4-{2-[3,5-bis-(<i>tert</i>-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1<i>H</i>-[1,2,3]triazole

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Chemical Property of 1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole

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Technology Process of 1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole

There total 6 articles about 1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole 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:

: 64190-52-9
(8S,20S)-de-A,B-20-(hydroxymethyl)pregnan-8-ol

: 725229-62-9
1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole

Guidance literature:: Multi-step reaction with 7 steps

1.1: pyridine

1.2: 85 percent / 2,6-lutidine

2.1: 62 percent / n-BuLi

3.1: 67 percent / TBAF / tetrahydrofuran / 0 °C

4.1: 73 percent / CuSO₄*5H₂O; sodium ascorbate / H₂O; 2-methyl-propan-2-ol

5.1: 92 percent / TBAF / tetrahydrofuran

6.1: 87 percent / PDC / CH₂Cl₂

7.1: n-BuLi / tetrahydrofuran

7.2: 69 percent / tetrahydrofuran

With pyridine; dipyridinium dichromate; n-butyllithium; tetrabutyl ammonium fluoride; copper(II) sulfate; sodium L-ascorbate; In tetrahydrofuran; dichloromethane; water; tert-butyl alcohol;
DOI:10.1016/j.tetlet.2004.04.118

Reference yield:

: 189102-18-9
des-A,B-8β-[(triethylsilyl)oxy]-22-(p-toluenesulfonyloxy)-23,24-dinorcholane

: 725229-62-9
1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole

Guidance literature:: Multi-step reaction with 6 steps

1.1: 62 percent / n-BuLi

2.1: 67 percent / TBAF / tetrahydrofuran / 0 °C

3.1: 73 percent / CuSO₄*5H₂O; sodium ascorbate / H₂O; 2-methyl-propan-2-ol

4.1: 92 percent / TBAF / tetrahydrofuran

5.1: 87 percent / PDC / CH₂Cl₂

6.1: n-BuLi / tetrahydrofuran

6.2: 69 percent / tetrahydrofuran

With dipyridinium dichromate; n-butyllithium; tetrabutyl ammonium fluoride; copper(II) sulfate; sodium L-ascorbate; In tetrahydrofuran; dichloromethane; water; tert-butyl alcohol;
DOI:10.1016/j.tetlet.2004.04.118

Reference yield:

: 725229-52-7
Triethyl-[(1R,3aR,4S,7aR)-7a-methyl-1-((R)-1-methyl-but-3-ynyl)-octahydro-inden-4-yloxy]-silane

: 725229-62-9
1,4-bis-[2-(4-{2-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-propyl]-1H-[1,2,3]triazole

Guidance literature:: Multi-step reaction with 4 steps

1.1: 73 percent / CuSO₄*5H₂O; sodium ascorbate / H₂O; 2-methyl-propan-2-ol

2.1: 92 percent / TBAF / tetrahydrofuran

3.1: 87 percent / PDC / CH₂Cl₂

4.1: n-BuLi / tetrahydrofuran

4.2: 69 percent / tetrahydrofuran

With dipyridinium dichromate; n-butyllithium; tetrabutyl ammonium fluoride; copper(II) sulfate; sodium L-ascorbate; In tetrahydrofuran; dichloromethane; water; tert-butyl alcohol;
DOI:10.1016/j.tetlet.2004.04.118