1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

Base Information

Chemical Name:1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane
CAS No.:139167-24-1
Molecular Formula:C₂₈H₃₂O₂Si
Molecular Weight:428.646
Hs Code.:

Synonyms:1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

Chemical Property:

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Technology Process of 1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

There total 5 articles about 1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane 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:

: 14114-05-7
cyclopropyltriphenylphosphonium bromide

: 139167-13-8
(tert-butyldiphenylsiloxy)methyl p-methoxyphenyl ketone

: 139167-24-1
1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

Guidance literature:: With sodium hydride; Yield given. Multistep reaction; 1) THF, 62 deg C, 10 h, 2) THF, 62 deg C, 1 h;
DOI:10.1021/jo00032a021

Reference yield:

: 115869-43-7
(tert-butyldiphenylsilanyloxy)acetaldehyde

: 139167-24-1
1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

Guidance literature:: Multi-step reaction with 3 steps

1: tetrahydrofuran / 0.5 h / -78 °C

2: 91 percent / PDC, molecular sieves 4 Angstroem / CH₂Cl₂ / 3 h / Ambient temperature

3: 1) NaH, 2) TDA-1 / 1) THF, 62 deg C, 10 h, 2) THF, 62 deg C, 1 h

With dipyridinium dichromate; 4 A molecular sieve; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00032a021

Reference yield:

: 138499-16-8
2-[(tert-butyldiphenylsilyl)oxy]ethanol

: 139167-24-1
1-(tert-butyldiphenylsiloxy)-2-cyclopropylidene-2-(p-methoxyphenyl)ethane

Guidance literature:: Multi-step reaction with 4 steps

1: 1) (COCl)2, DMSO, 2) Et₃N / 1) THF, -78 deg C, 30 min, 2a) -78 deg C, 20 min, 2b) up to r.t.

2: tetrahydrofuran / 0.5 h / -78 °C

3: 91 percent / PDC, molecular sieves 4 Angstroem / CH₂Cl₂ / 3 h / Ambient temperature

4: 1) NaH, 2) TDA-1 / 1) THF, 62 deg C, 10 h, 2) THF, 62 deg C, 1 h

With dipyridinium dichromate; oxalyl dichloride; 4 A molecular sieve; sodium hydride; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00032a021