Technology Process of (Z)-7-((3aR,5R,6R,6aR)-6-Benzyloxy-2,2,6-trimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-4-methyl-hept-4-enenitrile
There total 12 articles about (Z)-7-((3aR,5R,6R,6aR)-6-Benzyloxy-2,2,6-trimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-4-methyl-hept-4-enenitrile which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 12 steps
1: 1.) KH / 1.) THF, RT, 1 h, 2.) reflux, 8 h
2: 90 percent / 90percent AcOH / 4 h / 60 °C
3: 100 percent / Celite, Pb(AcO)4 / benzene / 0.5 h / Ambient temperature
4: 88 percent / tetrahydrofuran / 3 h
5: 96 percent / H2 / 5percent Pd/C / methanol / 3 h
6: 79 percent / DIBAL / toluene / 1 h / -78 °C
7: 1.) tert-BuLi / 1.) pentane, ether, -65 deg C, 30 min, 2.) 30 min
9: 100 percent / triethylamine / CH2Cl2 / 0.67 h / Ambient temperature
10: 90 percent / dimethylsulfoxide / 3 h / 70 °C
11: 93 percent / tetrabutylammonium fluoride / tetrahydrofuran / 18 h
12: 1.) KH / 1.) THF, 1 h, 2.) 5 h
With
lead(IV) acetate; Celite; tetrabutyl ammonium fluoride; hydrogen; tert.-butyl lithium; potassium hydride; diisobutylaluminium hydride; acetic acid; triethylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; toluene; benzene;
DOI:10.1021/jo00260a016
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 100 percent / Celite, Pb(AcO)4 / benzene / 0.5 h / Ambient temperature
2: 88 percent / tetrahydrofuran / 3 h
3: 96 percent / H2 / 5percent Pd/C / methanol / 3 h
4: 79 percent / DIBAL / toluene / 1 h / -78 °C
5: 1.) tert-BuLi / 1.) pentane, ether, -65 deg C, 30 min, 2.) 30 min
7: 100 percent / triethylamine / CH2Cl2 / 0.67 h / Ambient temperature
8: 90 percent / dimethylsulfoxide / 3 h / 70 °C
9: 93 percent / tetrabutylammonium fluoride / tetrahydrofuran / 18 h
10: 1.) KH / 1.) THF, 1 h, 2.) 5 h
With
lead(IV) acetate; Celite; tetrabutyl ammonium fluoride; hydrogen; tert.-butyl lithium; potassium hydride; diisobutylaluminium hydride; triethylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; toluene; benzene;
DOI:10.1021/jo00260a016
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 88 percent / tetrahydrofuran / 3 h
2: 96 percent / H2 / 5percent Pd/C / methanol / 3 h
3: 79 percent / DIBAL / toluene / 1 h / -78 °C
4: 1.) tert-BuLi / 1.) pentane, ether, -65 deg C, 30 min, 2.) 30 min
6: 100 percent / triethylamine / CH2Cl2 / 0.67 h / Ambient temperature
7: 90 percent / dimethylsulfoxide / 3 h / 70 °C
8: 93 percent / tetrabutylammonium fluoride / tetrahydrofuran / 18 h
9: 1.) KH / 1.) THF, 1 h, 2.) 5 h
With
tetrabutyl ammonium fluoride; hydrogen; tert.-butyl lithium; potassium hydride; diisobutylaluminium hydride; triethylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; toluene;
DOI:10.1021/jo00260a016