(3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one

Base Information

• Chemical Name: (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one
• CAS No.: 329897-84-9
• Molecular Formula: C₄₁H₅₆O₄Si
• Molecular Weight: 640.979
• Mol file: 329897-84-9.mol

Synonyms:(3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one

Chemical Property of (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one

There total 9 articles about (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-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: 84.0%

Trifluoro-methanesulfonic acid (3S,3aS,4S,6aS,10R,10aR)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-1-oxo-3,3a,4,6a,7,8,9,10-octahydro-2-oxa-cyclopenta[d]naphthalen-10-yl ester (329897-85-0) → (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one (329897-84-9)

Guidance literature:

With 2,6-dimethylpyridine; at 100 ℃; for 4h;

DOI:10.1055/s-2001-9711

Reference yield:

2,2-dimethyl-4-pentenal (5497-67-6) → (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one (329897-84-9)

Guidance literature:

Multi-step reaction with 9 steps

1.1: 85 percent / LiHMDS / tetrahydrofuran / -40 °C

2.1: 98 percent / DIBALH / diethyl ether / 0.5 h / 0 °C

3.1: 100 percent / imidazole / dimethylformamide / 2 h / 20 °C

4.1: 9-BBN / tetrahydrofuran / 4 h / 20 °C

4.2: 91 percent / H₂O₂; NaOH / ethanol / 1 h / 0 °C

5.1: 98 percent / TEMPO; PhI(OAc)2 / 2 h / 20 °C

6.1: 88 percent / PhSeLi / tetrahydrofuran / 6 h / -60 °C

7.1: 69 percent / xylene / 60 h / 140 °C

8.1: 98 percent / DMAP / 2 h / 0 °C

9.1: 84 percent / 2,6-lutidine / 4 h / 100 °C

With 1H-imidazole; 2,6-dimethylpyridine; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; 9-borabicyclo[3.3.1]nonane dimer; [bis(acetoxy)iodo]benzene; lithium phenylselenide; diisobutylaluminium hydride; lithium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; N,N-dimethyl-formamide; xylene; 1.1: Horner-Emmons reaction / 6.1: Baylis-Hillman reaction / 7.1: Intramolecular Diels-Alder reaction;

DOI:10.1055/s-2001-9711

Reference yield:

(2E,4E)-6,6-dimethyl-2,4,8-nonatrien-1-ol (248250-08-0) → (3S,3aS,4S,6aS,10aR)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one (329897-84-9)

Guidance literature:

Multi-step reaction with 7 steps

1.1: 100 percent / imidazole / dimethylformamide / 2 h / 20 °C

2.1: 9-BBN / tetrahydrofuran / 4 h / 20 °C

2.2: 91 percent / H₂O₂; NaOH / ethanol / 1 h / 0 °C

3.1: 98 percent / TEMPO; PhI(OAc)2 / 2 h / 20 °C

4.1: 88 percent / PhSeLi / tetrahydrofuran / 6 h / -60 °C

5.1: 69 percent / xylene / 60 h / 140 °C

6.1: 98 percent / DMAP / 2 h / 0 °C

7.1: 84 percent / 2,6-lutidine / 4 h / 100 °C

With 1H-imidazole; 2,6-dimethylpyridine; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; 9-borabicyclo[3.3.1]nonane dimer; [bis(acetoxy)iodo]benzene; lithium phenylselenide; In tetrahydrofuran; N,N-dimethyl-formamide; xylene; 4.1: Baylis-Hillman reaction / 5.1: Intramolecular Diels-Alder reaction;

DOI:10.1055/s-2001-9711

upstream raw materials:

Trifluoro-methanesulfonic acid (3S,3aS,4S,6aS,10R,10aR)-4-(tert-butyl-diphenyl-silanyloxymethyl)-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-1-oxo-3,3a,4,6a,7,8,9,10-octahydro-2-oxa-cyclopenta[d]naphthalen-10-yl ester

2,2-dimethyl-4-pentenal

(2E,4E)-6,6-dimethyl-2,4,8-nonatrien-1-ol

(2E,4E)-6,6-Dimethyl-nona-2,4,8-trienoic acid methyl ester

Downstream raw materials:

(3S,3aS,4S,6aS,10aR)-4-Hydroxymethyl-3-((1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-3,3a,4,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalen-1-one

(3S,3aS,6aS,10aR)-3-((1S,2R,5S)-2-Isopropyl-5-methyl-cyclohexyloxy)-7,7-dimethyl-1-oxo-3,3a,6,6a,7,8-hexahydro-2-oxa-cyclopenta[d]naphthalene-4-carbaldehyde