C₄₀H₄₄O₇S

Base Information

• Chemical Name: C₄₀H₄₄O₇S
• CAS No.: 776315-80-1
• Molecular Formula: C₄₀H₄₄O₇S
• Molecular Weight: 668.851

Synonyms:C₄₀H₄₄O₇S

Chemical Property of C₄₀H₄₄O₇S

Chemical Property:

Purity/Quality:

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Technology Process of C₄₀H₄₄O₇S

There total 21 articles about C₄₀H₄₄O₇S 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: 84.0%

C46H58O7SSi → C40H44O7S + C40H44O7S (776315-80-1)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃; for 1h;

DOI:10.1016/j.tet.2004.07.010

Reference yield:

C76H89NO10Si2 (776315-71-0) → C40H44O7S (776315-80-1)

Guidance literature:

Multi-step reaction with 18 steps

1.1: 70 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 2.5 h / -5 °C

2.1: 1.58 g / (1S)-(+)-10-camphorsulfonic acid; p-anisaldehyde / toluene / 90 °C

3.1: MeLi / diethyl ether / 0.5 h / -78 °C

3.2: 1.31 g / tetrahydrofuran; diethyl ether / 0.75 h / -100 - -90 °C

4.1: Et₃SiH / acetonitrile / 0.67 h / -40 - -20 °C

4.2: 58 percent / tetrabutylammonium fluoride / tetrahydrofuran / 44 h / 20 °C

5.1: 99 percent / Grubbs catalyst / CH₂Cl₂ / 2.5 h / 20 °C

6.1: 97 percent / AlCl₃ / CH₂Cl₂; nitromethane / 0.33 h / 0 °C

7.1: 84 percent / pyridinium p-toluenesulfonate / dimethylformamide; CH₂Cl₂ / 13 h / 20 °C

8.1: 88 percent / NaH; tetrabutylammonium iodide / dimethylformamide; tetrahydrofuran / 0.5 h / 40 °C

9.1: 1.11 g / TsOH*H₂O / methanol; tetrahydrofuran / 27 h / 20 °C

10.1: 1.52 g / 2,6-lutidine / CH₂Cl₂ / 1 h / 0 °C

11.1: 85 percent / (1S)-(+)-10-camphorsulfonic acid / methanol; tetrahydrofuran / 14 h / -15 °C

12.1: 96 percent / molecular sieves 4 Angstroem / pyridine / 24 h / 20 °C

13.1: 94 percent / dimethylsulfoxide / 20 h / 50 °C

14.1: diisobutylaluminum hydride / CH₂Cl₂; hexane / 3 h / -70 °C

14.2: Rochelle salt solution / CH₂Cl₂ / 2 h / 20 °C

15.1: 481 mg / NaN(SiMe₃)2 / tetrahydrofuran / 1 h / 0 °C

16.1: 91 percent / tetrabutylammonium fluoride / tetrahydrofuran / 18 h / 20 °C

17.1: 84 percent / molecular sieves 4 Angstroem; AgOTf; 2,6-di-tert-butyl-4-methylpyridine / CH₂Cl₂ / 1 h / -40 - 0 °C

18.1: 84 percent / tetrabutylammonium fluoride / tetrahydrofuran / 1 h / 20 °C

With 2,6-dimethylpyridine; triethylsilane; aluminium trichloride; 2,6-di-tert-butyl-4-methylpyridine; 4 A molecular sieve; tetrabutyl ammonium fluoride; methyllithium; silver trifluoromethanesulfonate; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; 4-methoxy-benzaldehyde; toluene-4-sulfonic acid; (+)-10-camphorsulfonic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; Grubbs catalyst first generation; In tetrahydrofuran; pyridine; methanol; diethyl ether; nitromethane; hexane; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene; acetonitrile;

DOI:10.1016/j.tet.2004.07.010

Reference yield:

1-((3aR,8aS)-2,2-Dimethyl-8,8a-dihydro-3aH-indeno[1,2-d]oxazol-3-yl)-2-[(2R,4S,5R)-2-(4-methoxy-phenyl)-4-vinyl-[1,3]dioxan-5-yloxy]-ethanone (357439-31-7) → C40H44O7S (776315-80-1)

Guidance literature:

Multi-step reaction with 21 steps

1.1: nBuLi / tetrahydrofuran; hexane / -78 °C

1.2: 47.4 g / N,N'-dimethylpropyleneurea / tetrahydrofuran / 18 h / -78 - 20 °C

2.1: 21.0 g / pyridinium p-toluenesulfonate / propan-1-ol / 16 h / 20 °C

3.1: 91 percent / 2,6-lutidine / CH₂Cl₂ / 2 h / 0 °C

4.1: 70 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 2.5 h / -5 °C

5.1: 1.58 g / (1S)-(+)-10-camphorsulfonic acid; p-anisaldehyde / toluene / 90 °C

6.1: MeLi / diethyl ether / 0.5 h / -78 °C

6.2: 1.31 g / tetrahydrofuran; diethyl ether / 0.75 h / -100 - -90 °C

7.1: Et₃SiH / acetonitrile / 0.67 h / -40 - -20 °C

7.2: 58 percent / tetrabutylammonium fluoride / tetrahydrofuran / 44 h / 20 °C

8.1: 99 percent / Grubbs catalyst / CH₂Cl₂ / 2.5 h / 20 °C

9.1: 97 percent / AlCl₃ / CH₂Cl₂; nitromethane / 0.33 h / 0 °C

10.1: 84 percent / pyridinium p-toluenesulfonate / dimethylformamide; CH₂Cl₂ / 13 h / 20 °C

11.1: 88 percent / NaH; tetrabutylammonium iodide / dimethylformamide; tetrahydrofuran / 0.5 h / 40 °C

12.1: 1.11 g / TsOH*H₂O / methanol; tetrahydrofuran / 27 h / 20 °C

13.1: 1.52 g / 2,6-lutidine / CH₂Cl₂ / 1 h / 0 °C

14.1: 85 percent / (1S)-(+)-10-camphorsulfonic acid / methanol; tetrahydrofuran / 14 h / -15 °C

15.1: 96 percent / molecular sieves 4 Angstroem / pyridine / 24 h / 20 °C

16.1: 94 percent / dimethylsulfoxide / 20 h / 50 °C

17.1: diisobutylaluminum hydride / CH₂Cl₂; hexane / 3 h / -70 °C

17.2: Rochelle salt solution / CH₂Cl₂ / 2 h / 20 °C

18.1: 481 mg / NaN(SiMe₃)2 / tetrahydrofuran / 1 h / 0 °C

19.1: 91 percent / tetrabutylammonium fluoride / tetrahydrofuran / 18 h / 20 °C

20.1: 84 percent / molecular sieves 4 Angstroem; AgOTf; 2,6-di-tert-butyl-4-methylpyridine / CH₂Cl₂ / 1 h / -40 - 0 °C

21.1: 84 percent / tetrabutylammonium fluoride / tetrahydrofuran / 1 h / 20 °C

With 2,6-dimethylpyridine; triethylsilane; n-butyllithium; aluminium trichloride; 2,6-di-tert-butyl-4-methylpyridine; 4 A molecular sieve; tetrabutyl ammonium fluoride; methyllithium; silver trifluoromethanesulfonate; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; 4-methoxy-benzaldehyde; toluene-4-sulfonic acid; (+)-10-camphorsulfonic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; Grubbs catalyst first generation; In tetrahydrofuran; pyridine; methanol; propan-1-ol; diethyl ether; nitromethane; hexane; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene; acetonitrile;

DOI:10.1016/j.tet.2004.07.010

upstream raw materials:

1-((3aR,8aS)-2,2-Dimethyl-8,8a-dihydro-3aH-indeno[1,2-d]oxazol-3-yl)-2-[(2R,4S,5R)-2-(4-methoxy-phenyl)-4-vinyl-[1,3]dioxan-5-yloxy]-ethanone

C₂₈H₃₂O₇

C₃₀H₃₄O₆

C₃₄H₄₆O₇Si

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