5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

Base Information

Chemical Name:5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene
CAS No.:887259-41-8
Molecular Formula:C₃₁H₄₀O₅Si₂
Molecular Weight:548.827
Hs Code.:

Synonyms:5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

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Chemical Property of 5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

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Technology Process of 5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

There total 6 articles about 5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene 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: 100.0%

: 887259-39-4
methyl 4-benzyloxy-2-[4-(benzyloxy)phenyl]-3-oxobutanoate

: 75-77-4
chloro-trimethyl-silane

: 887259-41-8
5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

Guidance literature:: methyl 4-benzyloxy-2-[4-(benzyloxy)phenyl]-3-oxobutanoate; With triethylamine; In tetrahydrofuran; at 20 ℃; for 12h;

chloro-trimethyl-silane; With lithium diisopropyl amide; In tetrahydrofuran; at -78 - 20 ℃;
DOI:10.1002/ejoc.200500837

Reference yield:

: 156-38-7
4-hydroxyphenylacetate

: 887259-41-8
5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

Guidance literature:: Multi-step reaction with 4 steps

1.1: 98 percent / BF₃*Et₂O / 11 h / 20 °C

2.1: 91 percent / potassium carbonate / acetone / 18 h / Heating

3.1: 49 percent / lithium diisopropylamide; HMPA / tetrahydrofuran / -78 - 20 °C

4.1: Et₃N / tetrahydrofuran / 12 h / 20 °C

4.2: 100 percent / lithium diisopropylamide / tetrahydrofuran / -78 - 20 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; boron trifluoride diethyl etherate; potassium carbonate; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; acetone; 3.1: Claisen condensation;
DOI:10.1002/ejoc.200500837

Reference yield:

: 30379-55-6
benzyloxyacetic acid

: 887259-41-8
5-(4-benzyloxy)-6-(benzyloxymethylene)-5-(4-benzyloxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

Guidance literature:: Multi-step reaction with 3 steps

1.1: 97 percent / thionyl chloride / 0 - 20 °C

2.1: 49 percent / lithium diisopropylamide; HMPA / tetrahydrofuran / -78 - 20 °C

3.1: Et₃N / tetrahydrofuran / 12 h / 20 °C

3.2: 100 percent / lithium diisopropylamide / tetrahydrofuran / -78 - 20 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; thionyl chloride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; 2.1: Claisen condensation;
DOI:10.1002/ejoc.200500837