benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

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Chemical Name:benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester
CAS No.:438581-32-9
Molecular Formula:C₂₉H₃₆O₇Si
Molecular Weight:524.686
Hs Code.:

Synonyms:benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

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Chemical Property of benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

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Technology Process of benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

There total 5 articles about benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester 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:

: 118207-58-2
5-(4-methoxybenzyloxy)-3-oxopentanoic acid methyl ester

: benzoic acid 4-iodo-1-methyl-1-trimethylsilanyl-but-2-ynyl ester

: 438581-32-9
benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

Guidance literature:: 5-(4-methoxybenzyloxy)-3-oxopentanoic acid methyl ester; With sodium hydride; In tetrahydrofuran; at 0 - 5 ℃; for 0.25h;

benzoic acid 4-iodo-1-methyl-1-trimethylsilanyl-but-2-ynyl ester; In tetrahydrofuran; for 14h; Further stages.;
DOI:10.1021/ol025861m

Reference yield:

: 13411-48-8
1-(trimethylsilyl)ethanone

: 438581-32-9
benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: n-butyllithium / diethyl ether; hexane / 0.17 h / -78 °C

1.2: 94 percent / diethyl ether; hexane / -78 - 20 °C

2.1: 90 percent / triethylamine; magnesium bromide / CH₂Cl₂ / 0.25 h / 20 °C

3.1: sodium iodide / acetone / 1 h / 52 °C

4.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 - 5 °C

4.2: 3.73 g / tetrahydrofuran / 14 h

With n-butyllithium; sodium hydride; triethylamine; sodium iodide; magnesium bromide; In tetrahydrofuran; diethyl ether; hexane; dichloromethane; acetone;
DOI:10.1021/ol025861m

Reference yield:

: 218434-91-4
5-(4-Methoxy-benzyloxy)-pent-2-ynoic acid methyl ester

: 438581-32-9
benzoic acid 8-(4-methoxybenzyloxy)-5-methoxycarbonyl-1-methyl-6-oxo-1-(trimethylsilanyl)oct-2-ynyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 75 percent / syn-benzaldehyde oxime; sodium hydride / tetrahydrofuran; hexamethylphosphoric acid triamide / 1 h / 20 °C

2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 - 5 °C

2.2: 3.73 g / tetrahydrofuran / 14 h

With syn-benzaldehyde oxime; sodium hydride; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide;
DOI:10.1021/ol025861m