2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R),5,5a(S),6(S),11(R),11a(R),12,12a(S)-decahydronaphthacene

Base Information

Chemical Name:2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene
CAS No.:81418-09-9
Molecular Formula:C₄₁H₅₈O₇SSi₂
Molecular Weight:751.144
Hs Code.:

2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

Synonyms:2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

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Chemical Property of 2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

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Technology Process of 2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

There total 8 articles about 2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene 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: 83.0%

: 65174-13-2
2-acetoxy-3-(4'-methoxyphenylthio)-1,3-butadiene

: 86668-46-4
10-(tert-butyldimethylsiloxy)-8,9-(di-tert-butylsilylenedioxy)-1-oxo-1,4,4a(S*),9(R*),9a(R*),10(S*)-hexahydroanthracene

: 81418-09-9
2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

Guidance literature:: With boron trichloride; In dichloromethane; 1.) 1 h, -15 deg C, 2.) 2 h, 0 deg C;
DOI:10.1021/jo00167a020

Reference yield:

: 86668-63-5
8-hydroxy-1-acetoxy-1(R*),4,4a(S*),9a(S*)-tetrahydroanthraquinone

: 81418-09-9
2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

Guidance literature:: Multi-step reaction with 7 steps

1: NaBH₄ / toluene; methanol / 0.12 h / 5 °C

2: 84 percent / 1-hydroxybenzotriazole, Et₃N / acetonitrile / 0.5 h / 65 °C / var. silyl transfer agents, without Et₃N, var. solv., var. temp., var. time

3: 59 percent / LiBH₄ / tetrahydrofuran / 48 h / 0 °C

4: 86 percent / imidazole / dimethylformamide / 6 h / 50 °C

5: 91 percent / diisobutylaluminum hydride / toluene; hexane / 0.5 h / -62 °C

6: 82 percent / Ac₂O / toluene / 20 h / 25 °C

7: 83 percent / 1 M BCl₃ / CH₂Cl₂ / 1.) 1 h, -15 deg C, 2.) 2 h, 0 deg C

With 1H-imidazole; sodium tetrahydroborate; lithium borohydride; acetic anhydride; boron trichloride; diisobutylaluminium hydride; benzotriazol-1-ol; triethylamine; In tetrahydrofuran; methanol; hexane; dichloromethane; N,N-dimethyl-formamide; toluene; acetonitrile;
DOI:10.1021/jo00167a020

Reference yield:

: 1194750-34-9
8,9-dihydroxy-1-acetoxy-10-oxo-1(R*),4,4a(S*),9(R*),9a(R*),10-hexahydroanthracene

: 81418-09-9
2-acetoxy-6-(tert-butyldimethylsiloxy)-10,11-(di-tert-butylsilylenedioxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

Guidance literature:: Multi-step reaction with 6 steps

1: 84 percent / 1-hydroxybenzotriazole, Et₃N / acetonitrile / 0.5 h / 65 °C / var. silyl transfer agents, without Et₃N, var. solv., var. temp., var. time

2: 59 percent / LiBH₄ / tetrahydrofuran / 48 h / 0 °C

3: 86 percent / imidazole / dimethylformamide / 6 h / 50 °C

4: 91 percent / diisobutylaluminum hydride / toluene; hexane / 0.5 h / -62 °C

5: 82 percent / Ac₂O / toluene / 20 h / 25 °C

6: 83 percent / 1 M BCl₃ / CH₂Cl₂ / 1.) 1 h, -15 deg C, 2.) 2 h, 0 deg C

With 1H-imidazole; lithium borohydride; acetic anhydride; boron trichloride; diisobutylaluminium hydride; benzotriazol-1-ol; triethylamine; In tetrahydrofuran; hexane; dichloromethane; N,N-dimethyl-formamide; toluene; acetonitrile;
DOI:10.1021/jo00167a020