3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

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Chemical Name:3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene
CAS No.:915970-62-6
Molecular Formula:C₃₃H₄₀BF₃O₄
Molecular Weight:568.484
Hs Code.:

Synonyms:3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

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Chemical Property of 3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

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Technology Process of 3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

There total 4 articles about 3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene 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: 62.0%

: 915970-61-5
3-O-[(trifluoromethylsulfonyl)oxy]-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

: 25015-63-8
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

: 915970-62-6
3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

Guidance literature:: With triethylamine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In 1,4-dioxane; dichloromethane; at 92 - 96 ℃; for 3h;
DOI:10.1016/j.bmc.2006.08.033

Reference yield:

: C₂₅H₂₈O₂(CF₃CO)2

: 915970-62-6
3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

Guidance literature:: Multi-step reaction with 3 steps

1: hydrochloric acid / methanol; ethyl acetate / 1 h / 20 °C

2: 67 percent / N,N-(dimethylamino)pyridine / CH₂Cl₂ / 1 h / 0 °C

3: 62 percent / triethylamine / Pd(dppf)Cl₂ / CH₂Cl₂; dioxane / 3 h / 92 - 96 °C

With hydrogenchloride; dmap; triethylamine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In 1,4-dioxane; methanol; dichloromethane; ethyl acetate;
DOI:10.1016/j.bmc.2006.08.033

Reference yield:

: C₂₅H₂₈O₂(CF₃CO)H

: 915970-62-6
3-O-pinacolatoboro-17α-benzyl-17β-trifluoroacetyloxyestra-1,3,5-(10)-triene

Guidance literature:: Multi-step reaction with 2 steps

1: 67 percent / N,N-(dimethylamino)pyridine / CH₂Cl₂ / 1 h / 0 °C

2: 62 percent / triethylamine / Pd(dppf)Cl₂ / CH₂Cl₂; dioxane / 3 h / 92 - 96 °C

With dmap; triethylamine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In 1,4-dioxane; dichloromethane;
DOI:10.1016/j.bmc.2006.08.033