(S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

Base Information

Chemical Name:(S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one
CAS No.:780820-91-9
Molecular Formula:C₄₁H₆₄BNO₄Si
Molecular Weight:673.86
Hs Code.:

Synonyms:(S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

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Chemical Property of (S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

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Technology Process of (S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

There total 12 articles about (S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-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: 86.0%

: 780820-89-5
1-[(3R,5S,5aR,9aR)-3-(tert-Butyl-diphenyl-silanyloxymethyl)-4,4-dioxo-octahydro-4λ⁶-thia-3a-aza-cyclopenta[c]inden-5-yl]-octan-2-one

: 73183-34-3
bis(pinacol)diborane

: 780820-91-9
(S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

Guidance literature:: 1-[(3R,5S,5aR,9aR)-3-(tert-Butyl-diphenyl-silanyloxymethyl)-4,4-dioxo-octahydro-4λ⁶-thia-3a-aza-cyclopenta[c]inden-5-yl]-octan-2-one; With 1,8-diazabicyclo[5.4.0]undec-7-ene; In N,N-dimethyl-formamide;

bis(pinacol)diborane; With potassium acetate; copper(l) chloride; In N,N-dimethyl-formamide; at 20 ℃; for 0.333333h;
DOI:10.1002/anie.200460178

Reference yield:

: 780820-85-1
3-(tert-butyl-diphenyl-silanyloxymethyl)-octahydro-4-thia-3a-aza-cyclopenta[c]indene 4,4-dioxide

: 780820-91-9
(S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: t-BuLi / pentane; tetrahydrofuran / 0.25 h / -78 °C

1.2: BF₃*Et₂O / pentane; tetrahydrofuran / 3 h / -78 - 0 °C

2.1: 381 mg / Dess-Martin periodinane / CH₂Cl₂ / 2 h / 20 °C

3.1: DBU / dimethylformamide / 0.17 h

3.2: 86 percent / CuCl; potassium acetate / dimethylformamide / 0.33 h

With tert.-butyl lithium; Dess-Martin periodane; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; pentane; 3.2: Miyaura borylation;
DOI:10.1016/j.tet.2006.01.111

Reference yield:

: 780820-87-3
1-[(3R,5S,5aR,9aR)-3-(tert-Butyl-diphenyl-silanyloxymethyl)-4,4-dioxo-octahydro-4λ⁶-thia-3a-aza-cyclopenta[c]inden-5-yl]-octan-2-ol

: 780820-91-9
(S)-1-[(2R,5R,6S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-1-aza-spiro[4.5]dec-6-yl]-1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nonan-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: 381 mg / Dess-Martin periodinane / CH₂Cl₂ / 2 h / 20 °C

2.1: DBU / dimethylformamide / 0.17 h

2.2: 86 percent / CuCl; potassium acetate / dimethylformamide / 0.33 h

With Dess-Martin periodane; 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; N,N-dimethyl-formamide; 2.2: Miyaura borylation;
DOI:10.1016/j.tet.2006.01.111