(E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

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Chemical Name:(E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one
CAS No.:637002-78-9
Molecular Formula:C₃₀H₅₀O₅Si
Molecular Weight:518.809
Hs Code.:

Synonyms:(E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

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Chemical Property of (E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

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Technology Process of (E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

There total 9 articles about (E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one 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: 87.0%

: 637002-77-8
(3E,8E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodeca-3,8-dien-5-one

: 637002-78-9
(E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

Guidance literature:: With N,N,N,N,N,N-hexamethylphosphoric triamide; diisobutylaluminium hydride; In tetrahydrofuran; n-heptane; at 0 ℃; for 2h;
DOI:10.1021/ol035797o

Reference yield:

: 56423-39-3,36747-83-8
trans-4-methylpent-2-enal

: 637002-78-9
(E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: TiCl₄; (i-Pr)2NEt / CH₂Cl₂ / 1 h / 0 °C

1.2: 60 percent / CH₂Cl₂ / 2 h / -78 °C

2.1: 98 percent / 2,6-lutidine / CH₂Cl₂ / 1 h / 0 °C

3.1: n-BuLi / tetrahydrofuran; hexane / 1 h / -78 °C

3.2: 90 percent / tetrahydrofuran; hexane / 1 h

4.1: 90 percent / Ba(OH)2*8H₂O / tetrahydrofuran; H₂O / 20 °C

5.1: 87 percent / DIBAL-H; HMPA / tetrahydrofuran; heptane / 2 h / 0 °C

With 2,6-dimethylpyridine; N,N,N,N,N,N-hexamethylphosphoric triamide; barium dihydroxide; n-butyllithium; titanium tetrachloride; diisobutylaluminium hydride; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; hexane; n-heptane; dichloromethane; water; 4.1: Horner-Wadsworth-Emmons coupling;
DOI:10.1021/ol035797o

Reference yield:

: 128461-65-4
3-(p-methoxybenzyloxy)propanal

: 637002-78-9
(E)-(2S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2-[(R)-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-11-methyl-dodec-8-en-5-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: 75 percent / NaOH; H₂O₂ / tetrahydrofuran

2.1: 77 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂ / 0.25 h

3.1: OsO₄; 4-methylmorpholine N-oxide / tetrahydrofuran; H₂O

3.2: 84 percent / NaIO₄ / tetrahydrofuran; H₂O / 2 h

4.1: 90 percent / Ba(OH)2*8H₂O / tetrahydrofuran; H₂O / 20 °C

5.1: 87 percent / DIBAL-H; HMPA / tetrahydrofuran; heptane / 2 h / 0 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; barium dihydroxide; sodium hydroxide; osmium(VIII) oxide; dihydrogen peroxide; diisobutylaluminium hydride; 4-methylmorpholine N-oxide; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; n-heptane; dichloromethane; water; 4.1: Horner-Wadsworth-Emmons coupling;
DOI:10.1021/ol035797o