1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

Base Information

Chemical Name:1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol
CAS No.:647029-32-1
Molecular Formula:C₂₆H₃₄O₅Si
Molecular Weight:454.638
Hs Code.:

Synonyms:1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

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Chemical Property of 1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

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Technology Process of 1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

There total 7 articles about 1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol 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: 70.9%

: 647029-29-6
5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyne-1,3-diol

: 18162-48-6
tert-butyldimethylsilyl chloride

: 647029-32-1
1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

Guidance literature:: With dmap; triethylamine; In N,N-dimethyl-formamide; at -15 ℃; for 4h;
DOI:10.1271/bbb.67.2183

Reference yield:

: 120-57-0,30024-74-9
piperonal

: 647029-32-1
1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

Guidance literature:: Multi-step reaction with 7 steps

1.1: 81.9 percent / pyridine; piperidine / 8 h / Heating

2.1: 91.1 percent / hydrogen; acetic acid / Pd-C / 48 h / Heating

3.1: oxalyl chloride / CH₂Cl₂ / 0 - 20 °C

4.1: 25.01 g / n-butyllithium / tetrahydrofuran; hexane / -78 - 0 °C

5.1: dibutylboron triflate; ethyldiisopropylamine / CH₂Cl₂ / cooling

5.2: 21.7 percent / CH₂Cl₂ / cooling

6.1: 100 percent / lithium borohydride / diethyl ether; H₂O / 0 - 20 °C

7.1: 70.9 percent / triethylamine; 4-(dimethylamino)pyridine / dimethylformamide / 4 h / -15 °C

With piperidine; pyridine; dmap; lithium borohydride; n-butyllithium; oxalyl dichloride; di-n-butylboryl trifluoromethanesulfonate; hydrogen; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide; 5.2: aldol reaction;
DOI:10.1271/bbb.67.2183

Reference yield:

: 2373-80-0,38489-76-8
3,4-(methylenedioxy)cinnamic acid

: 647029-32-1
1-tert-butyldimethylsilyloxy-5-(4-methoxyphenyl)-2-(3,4-methylenedioxyphenyl)methyl-4-pentyn-3-ol

Guidance literature:: Multi-step reaction with 6 steps

1.1: 91.1 percent / hydrogen; acetic acid / Pd-C / 48 h / Heating

2.1: oxalyl chloride / CH₂Cl₂ / 0 - 20 °C

3.1: 25.01 g / n-butyllithium / tetrahydrofuran; hexane / -78 - 0 °C

4.1: dibutylboron triflate; ethyldiisopropylamine / CH₂Cl₂ / cooling

4.2: 21.7 percent / CH₂Cl₂ / cooling

5.1: 100 percent / lithium borohydride / diethyl ether; H₂O / 0 - 20 °C

6.1: 70.9 percent / triethylamine; 4-(dimethylamino)pyridine / dimethylformamide / 4 h / -15 °C

With dmap; lithium borohydride; n-butyllithium; oxalyl dichloride; di-n-butylboryl trifluoromethanesulfonate; hydrogen; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide; 4.2: aldol reaction;
DOI:10.1271/bbb.67.2183