2H-Pyran-4-ol, 2-[(1E,4S,6R,7E)-4,6-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-8-phenyl- 1,7-octadienyl]-3,4-dihydro-, (2S)-

Base Information

Chemical Name:2H-Pyran-4-ol, 2-[(1E,4S,6R,7E)-4,6-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-8-phenyl- 1,7-octadienyl]-3,4-dihydro-, (2S)-
CAS No.:678970-62-2
Molecular Formula:C₃₁H₅₂O₄Si₂
Molecular Weight:544.922
Hs Code.:

Synonyms:

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Chemical Property of 2H-Pyran-4-ol, 2-[(1E,4S,6R,7E)-4,6-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-8-phenyl- 1,7-octadienyl]-3,4-dihydro-, (2S)-

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Technology Process of 2H-Pyran-4-ol, 2-[(1E,4S,6R,7E)-4,6-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-8-phenyl- 1,7-octadienyl]-3,4-dihydro-, (2S)-

There total 8 articles about 2H-Pyran-4-ol, 2-[(1E,4S,6R,7E)-4,6-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-8-phenyl- 1,7-octadienyl]-3,4-dihydro-, (2S)- 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:

: 678970-58-6
(S)-2-[(1E,7E)-(4S,6R)-4,6-Bis-(tert-butyl-dimethyl-silanyloxy)-8-phenyl-octa-1,7-dienyl]-2,3-dihydro-pyran-4-one

: 678970-62-2
(S)-2-[(1E,7E)-(4S,6R)-4,6-Bis-(tert-butyl-dimethyl-silanyloxy)-8-phenyl-octa-1,7-dienyl]-3,4-dihydro-2H-pyran-4-ol

Guidance literature:: With sodium tetrahydroborate; cerium(III) chloride; In methanol; at -78 ℃;
DOI:10.3987/COM-05-S(K)73

Reference yield:

: 880871-80-7
(4R,6R)-6-((E)-Styryl)-tetrahydro-pyran-2,4-diol

: 678970-62-2
(S)-2-[(1E,7E)-(4S,6R)-4,6-Bis-(tert-butyl-dimethyl-silanyloxy)-8-phenyl-octa-1,7-dienyl]-3,4-dihydro-2H-pyran-4-ol

Guidance literature:: Multi-step reaction with 6 steps

1.1: 100 percent / NaH / tetrahydrofuran / -30 °C

2.1: imidazole

3.1: DIBAL / -78 °C

4.1: air / Ru-salen complex / UV-irradiation

5.1: 2nd generation (R,R)-Cr-salen complex / CH₂Cl₂ / 24 h / 0 °C

5.2: TFA / CH₂Cl₂

6.1: NaBH₄; CeCl₃*7H₂O / methanol / -78 °C

With 1H-imidazole; sodium tetrahydroborate; cerium(III) chloride; air; sodium hydride; diisobutylaluminium hydride; ruthenium-salen complex; 2nd generation (R,R)-Cr-salen; In tetrahydrofuran; methanol; dichloromethane; 1.1: Wittig reaction;
DOI:10.3987/COM-05-S(K)73

Reference yield:

: 678970-46-2
(2S,6R)-2-Methoxy-6-((E)-styryl)-tetrahydro-pyran-4-one

: 678970-62-2
(S)-2-[(1E,7E)-(4S,6R)-4,6-Bis-(tert-butyl-dimethyl-silanyloxy)-8-phenyl-octa-1,7-dienyl]-3,4-dihydro-2H-pyran-4-ol

Guidance literature:: Multi-step reaction with 8 steps

1.1: 74 percent / LiAlH₄ / tetrahydrofuran / -78 °C

2.1: 80 percent / HCl / acetonitrile; H₂O / 50 °C

3.1: 100 percent / NaH / tetrahydrofuran / -30 °C

4.1: imidazole

5.1: DIBAL / -78 °C

6.1: air / Ru-salen complex / UV-irradiation

7.1: 2nd generation (R,R)-Cr-salen complex / CH₂Cl₂ / 24 h / 0 °C

7.2: TFA / CH₂Cl₂

8.1: NaBH₄; CeCl₃*7H₂O / methanol / -78 °C

With 1H-imidazole; hydrogenchloride; sodium tetrahydroborate; lithium aluminium tetrahydride; cerium(III) chloride; air; sodium hydride; diisobutylaluminium hydride; ruthenium-salen complex; 2nd generation (R,R)-Cr-salen; In tetrahydrofuran; methanol; dichloromethane; water; acetonitrile; 3.1: Wittig reaction;
DOI:10.3987/COM-05-S(K)73