Technology Process of 3-[(R)-4-(4-Bromo-phenyl)-1-((2S,6S,7S,10R)-7-isopropyl-10-methyl-1,5-dioxa-spiro[5.5]undec-2-ylmethyl)-butoxy]-propan-1-ol
There total 7 articles about 3-[(R)-4-(4-Bromo-phenyl)-1-((2S,6S,7S,10R)-7-isopropyl-10-methyl-1,5-dioxa-spiro[5.5]undec-2-ylmethyl)-butoxy]-propan-1-ol 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:
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 91 percent / imidazole / dimethylformamide / 3.5 h
2: 59 percent / [1,3-dimesitylimidazolidin-2-yl]Cl2(PCy3)Ru=CHPh / 1,2-dichloro-ethane / 2 h / 40 °C
3: 73 percent / H2 / Rh/Al2O3 / ethanol / 5 h / 760 Torr
4: TBAF / tetrahydrofuran / 7 h
5: 133 mg / t-BuOK / tetrahydrofuran / 2 h / 20 °C
6: tetrahydrofuran / 4.5 h / 20 °C
7: 102 mg / aq. H2O2; NaOH / tetrahydrofuran / 2 h
With
1H-imidazole; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; sodium hydroxide; potassium tert-butylate; tetrabutyl ammonium fluoride; hydrogen; dihydrogen peroxide;
Rh/Al2O3;
In
tetrahydrofuran; ethanol; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1021/ol0504650
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 59 percent / [1,3-dimesitylimidazolidin-2-yl]Cl2(PCy3)Ru=CHPh / 1,2-dichloro-ethane / 2 h / 40 °C
2: 73 percent / H2 / Rh/Al2O3 / ethanol / 5 h / 760 Torr
3: TBAF / tetrahydrofuran / 7 h
4: 133 mg / t-BuOK / tetrahydrofuran / 2 h / 20 °C
5: tetrahydrofuran / 4.5 h / 20 °C
6: 102 mg / aq. H2O2; NaOH / tetrahydrofuran / 2 h
With
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; sodium hydroxide; potassium tert-butylate; tetrabutyl ammonium fluoride; hydrogen; dihydrogen peroxide;
Rh/Al2O3;
In
tetrahydrofuran; ethanol; 1,2-dichloro-ethane;
DOI:10.1021/ol0504650
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 73 percent / H2 / Rh/Al2O3 / ethanol / 5 h / 760 Torr
2: TBAF / tetrahydrofuran / 7 h
3: 133 mg / t-BuOK / tetrahydrofuran / 2 h / 20 °C
4: tetrahydrofuran / 4.5 h / 20 °C
5: 102 mg / aq. H2O2; NaOH / tetrahydrofuran / 2 h
With
sodium hydroxide; potassium tert-butylate; tetrabutyl ammonium fluoride; hydrogen; dihydrogen peroxide;
Rh/Al2O3;
In
tetrahydrofuran; ethanol;
DOI:10.1021/ol0504650