2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

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Chemical Name:2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane
CAS No.:199171-29-4
Molecular Formula:C₂₈H₅₄O₄Si₂
Molecular Weight:510.905
Hs Code.:

2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

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Chemical Property of 2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

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Technology Process of 2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

There total 8 articles about 2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane 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:

: 169898-25-3
3-(5,5-Dimethyl-[1,3]dioxan-2-yl)-2,4,4-trimethyl-5-vinyl-cyclohex-2-enone

: 199171-29-4
2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) CeCl₃*7H₂O, 2.) NaBH₄ / 1.) MeOH, RT, 10 min, 2.) MeOH, 0 deg C

2: 72 percent / collidine / CH₂Cl₂ / 0.08 h / 0 °C

3: 1.) O₃, 2.) Me₂S / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, a) from -78 deg C to RT, 12 h, b) 40 deg C, 24 h

4: collidine / CH₂Cl₂ / 8 h / Ambient temperature

With 2,3,5-trimethyl-pyridine; sodium tetrahydroborate; cerium(III) chloride; dimethylsulfide; ozone; In dichloromethane;
DOI:10.1139/v97-146

Reference yield:

: 169898-21-9
5,5-Dimethyl-2-(2,6,6-trimethyl-cyclohex-1-enyl)-[1,3]dioxane

: 199171-29-4
2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

Guidance literature:: Multi-step reaction with 8 steps

1: 1.) potassium dihydrogen phosphate, SeO₂, 2.) pyridinium dichromate, MgSO₄ / 1.) toluene, reflux, 2 h, 2.) CH₂Cl₂, RT, 3.5 h

2: 1.) LDA / 1.) THF, hexane, -78 deg C, 15 min, 2.) THF, hexane, from -78 deg C to RT

3: Oxone / methanol / 12 h / Ambient temperature

4: 1.) copper(I) iodide, 2.) Me₃SiCl / 1.) THF, -20 deg C, 10 min, 2.) THF, from -78 deg C to RT, 1 h

5: 1.) CeCl₃*7H₂O, 2.) NaBH₄ / 1.) MeOH, RT, 10 min, 2.) MeOH, 0 deg C

6: 72 percent / collidine / CH₂Cl₂ / 0.08 h / 0 °C

7: 1.) O₃, 2.) Me₂S / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, a) from -78 deg C to RT, 12 h, b) 40 deg C, 24 h

8: collidine / CH₂Cl₂ / 8 h / Ambient temperature

With 2,3,5-trimethyl-pyridine; Oxone; sodium tetrahydroborate; potassium dihydrogenphosphate; copper(l) iodide; dipyridinium dichromate; chloro-trimethyl-silane; selenium(IV) oxide; cerium(III) chloride; dimethylsulfide; magnesium sulfate; ozone; lithium diisopropyl amide; In methanol; dichloromethane;
DOI:10.1139/v97-146

Reference yield:

: 169898-23-1
3-(5,5-Dimethyl-[1,3]dioxan-2-yl)-2,4,4-trimethyl-cyclohexa-2,5-dienone

: 199171-29-4
2-{3-(tert-Butyl-dimethyl-silanyloxy)-5-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-2,6,6-trimethyl-cyclohex-1-enyl}-5,5-dimethyl-[1,3]dioxane

Guidance literature:: Multi-step reaction with 5 steps

1: 1.) copper(I) iodide, 2.) Me₃SiCl / 1.) THF, -20 deg C, 10 min, 2.) THF, from -78 deg C to RT, 1 h

2: 1.) CeCl₃*7H₂O, 2.) NaBH₄ / 1.) MeOH, RT, 10 min, 2.) MeOH, 0 deg C

3: 72 percent / collidine / CH₂Cl₂ / 0.08 h / 0 °C

4: 1.) O₃, 2.) Me₂S / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, a) from -78 deg C to RT, 12 h, b) 40 deg C, 24 h

5: collidine / CH₂Cl₂ / 8 h / Ambient temperature

With 2,3,5-trimethyl-pyridine; sodium tetrahydroborate; copper(l) iodide; chloro-trimethyl-silane; cerium(III) chloride; dimethylsulfide; ozone; In dichloromethane;
DOI:10.1139/v97-146