C₄₀H₅₀N₂O₉Si

Base Information

Chemical Name:C₄₀H₅₀N₂O₉Si
CAS No.:852821-23-9
Molecular Formula:C₄₀H₅₀N₂O₉Si
Molecular Weight:730.931
Hs Code.:

C<sub>40</sub>H<sub>50</sub>N<sub>2</sub>O<sub>9</sub>Si

Synonyms:C₄₀H₅₀N₂O₉Si

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Chemical Property of C₄₀H₅₀N₂O₉Si

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Technology Process of C₄₀H₅₀N₂O₉Si

There total 16 articles about C₄₀H₅₀N₂O₉Si 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%

: 852821-06-8
(4aS,8aS,9S)-3-(benzyloxy)-4a-(tert-butyldimethylsilyloxy)-9-(dimethylamino)-8a,9-dihydronaphtho[2,3-d]isoxazole-4,5(4aH,8H)-dione

: 852821-18-2
2-(phenoxycarbonyl)-3-ethylphenyl tert-butyl carbonate

: 852821-23-9
C₄₀H₅₀N₂O₉Si

Guidance literature:: 2-(phenoxycarbonyl)-3-ethylphenyl tert-butyl carbonate; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; diisopropylamine; In tetrahydrofuran; hexane; at -78 ℃; for 1.25h; Inert atmosphere;

(4aS,8aS,9S)-3-(benzyloxy)-4a-(tert-butyldimethylsilyloxy)-9-(dimethylamino)-8a,9-dihydronaphtho[2,3-d]isoxazole-4,5(4aH,8H)-dione; In tetrahydrofuran; hexane; at -75 - 0 ℃; for 2.5h; Temperature; Inert atmosphere;

Reference yield: 81.0%

: 852821-06-8
(4aS,8aS,9S)-3-(benzyloxy)-4a-(tert-butyldimethylsilyloxy)-9-(dimethylamino)-8a,9-dihydronaphtho[2,3-d]isoxazole-4,5(4aH,8H)-dione

: 852821-23-9
C₄₀H₅₀N₂O₉Si

Guidance literature:: 2-(phenoxycarbonyl)-3-ethylphenyl tert-butyl carbonate; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; diisopropylamine; In tetrahydrofuran; hexane; at -78 ℃; for 1.75 - 2h;

(4aS,8aS,9S)-3-(benzyloxy)-4a-(tert-butyldimethylsilyloxy)-9-(dimethylamino)-8a,9-dihydronaphtho[2,3-d]isoxazole-4,5(4aH,8H)-dione; In tetrahydrofuran; hexane; water; at -78 - 0 ℃; for 2.5 - 3h; pH=7.0; Product distribution / selectivity; Aqueous potassium phosphate buffer solution;

Reference yield:

: 32359-20-9
(1S,2R)-1,2-dihydroxycyclohexa-3,5-diene-1-carboxylic acid

: 852821-23-9
C₄₀H₅₀N₂O₉Si

Guidance literature:: Multi-step reaction with 9 steps

1.1: 3-chloro-benzenecarboperoxoic acid / ethyl acetate / 10.5 h / 23 °C / Inert atmosphere

2.1: methanol; hexane; benzene / 0.08 h / 23 °C / Inert atmosphere

2.2: 0.5 h

3.1: n-butyllithium / hexane; tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

3.2: 1 h / -78 °C / Inert atmosphere

4.1: lithium trifluoromethanesulfonate / toluene / 3 h / 23 - 60 °C / Inert atmosphere

4.2: 18 h / 23 °C / Inert atmosphere

5.1: diethylazodicarboxylate; triphenylphosphine / toluene / 1.5 h / 0 °C / Inert atmosphere

5.2: 23 h / 0 - 23 °C / Inert atmosphere

6.1: acetic acid; tetrabutyl ammonium fluoride / tetrahydrofuran / 5.5 h / 0 - 23 °C / Inert atmosphere

7.1: 2-iodoxybenzoic acid / dimethyl sulfoxide / 36 h / 23 °C / Inert atmosphere

8.1: 2,6-dimethylpyridine / dichloromethane / 3 h / 23 °C / Inert atmosphere

9.1: N,N,N,N,-tetramethylethylenediamine; n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 1.25 h / -78 °C / Inert atmosphere

9.2: 2.5 h / -75 - 0 °C / Inert atmosphere

With 2,6-dimethylpyridine; n-butyllithium; N,N,N,N,-tetramethylethylenediamine; 2-iodoxybenzoic acid; tetrabutyl ammonium fluoride; lithium trifluoromethanesulfonate; acetic acid; diisopropylamine; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; methanol; hexane; dichloromethane; dimethyl sulfoxide; ethyl acetate; toluene; benzene; 9.1: |Michael Addition / 9.2: |Dieckmann Condensation;