3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone

Base Information

• Chemical Name: 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone
• CAS No.: 123474-83-9
• Molecular Formula: C₂₉H₃₆O₅Si
• Molecular Weight: 492.687

Synonyms:3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone

Chemical Property of 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone

There total 10 articles about 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone 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:

asaraldehyde (4460-86-0,14374-62-0) → 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone (123474-83-9)

Guidance literature:

Multi-step reaction with 9 steps

1: 74 percent / LDA / tetrahydrofuran

2: 97 percent / NaBH₄-CeCl₃*7H₂O / methanol

3: 88 percent / NaH / dimethylformamide

4: 93 percent / DIBAL-H / tetrahydrofuran

5: 96 percent / SO₃*Py, Et₃N / dimethylsulfoxide

6: 91 percent

7: 77 percent / MnO₂ / CH₂Cl₂

8: nBu₄NF / tetrahydrofuran

9: nBuLi / tetrahydrofuran

With manganese(IV) oxide; sodium tetrahydroborate; n-butyllithium; cerium(III) chloride; pyridine-SO₃ complex; tetrabutyl ammonium fluoride; sodium hydride; diisobutylaluminium hydride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(01)80627-4

Reference yield:

ethyl 1-acetylcyclopropane-1-carboxylate (28247-15-6) → 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone (123474-83-9)

Guidance literature:

Multi-step reaction with 9 steps

1: 74 percent / LDA / tetrahydrofuran

2: 97 percent / NaBH₄-CeCl₃*7H₂O / methanol

3: 88 percent / NaH / dimethylformamide

4: 93 percent / DIBAL-H / tetrahydrofuran

5: 96 percent / SO₃*Py, Et₃N / dimethylsulfoxide

6: 91 percent

7: 77 percent / MnO₂ / CH₂Cl₂

8: nBu₄NF / tetrahydrofuran

9: nBuLi / tetrahydrofuran

With manganese(IV) oxide; sodium tetrahydroborate; n-butyllithium; cerium(III) chloride; pyridine-SO₃ complex; tetrabutyl ammonium fluoride; sodium hydride; diisobutylaluminium hydride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(01)80627-4

Reference yield:

{1-[(E)-1-Methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-methanol (123475-00-3) → 3-(Dimethyl-phenyl-silanyl)-1-{1-[(E)-1-methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-propynone (123474-83-9)

Guidance literature:

Multi-step reaction with 5 steps

1: 96 percent / SO₃*Py, Et₃N / dimethylsulfoxide

2: 91 percent

3: 77 percent / MnO₂ / CH₂Cl₂

4: nBu₄NF / tetrahydrofuran

5: nBuLi / tetrahydrofuran

With manganese(IV) oxide; n-butyllithium; pyridine-SO₃ complex; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane; dimethyl sulfoxide;

DOI:10.1016/S0040-4039(01)80627-4

upstream raw materials:

phenyldimethylsilyl chloride

asaraldehyde

ethyl 1-acetylcyclopropane-1-carboxylate

{1-[(E)-1-Methoxy-3-(2,4,5-trimethoxy-phenyl)-allyl]-cyclopentyl}-methanol

Downstream raw materials:

C₂₉H₃₄O₅Si

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