Technology Process of 5-benzyl 2-tert-butyl (4R)-1-oxo-2,5-diazaspiro[3.4]octane-2,5-dicarboxylate
There total 6 articles about 5-benzyl 2-tert-butyl (4R)-1-oxo-2,5-diazaspiro[3.4]octane-2,5-dicarboxylate 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 6 steps
1.1: BF3*Et2O / CH2Cl2 / 12 h / -40 - 20 °C
2.1: 98 percent / H2 / Pd/C / ethyl acetate; methanol / 760 Torr
3.1: L-Boc-Phe-OH / ethyl acetate; hexane
3.2: aq. NaHCO3 / CH2Cl2 / 0.17 h
4.1: 97 percent / NaHCO3 / ethyl acetate; H2O / 2 h / 20 °C
5.1: aq. CAN / acetonitrile / 0 °C
6.1: 0.652 g / DMAP / acetonitrile / 0 - 20 °C
With
dmap; ammonium cerium(IV) nitrate; N-tert-butoxycarbonyl-L-phenylalanine; boron trifluoride diethyl etherate; hydrogen; sodium hydrogencarbonate;
palladium on activated charcoal;
In
methanol; hexane; dichloromethane; water; ethyl acetate; acetonitrile;
DOI:10.1021/jo061189l
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 98 percent / H2 / Pd/C / ethyl acetate; methanol / 760 Torr
2.1: L-Boc-Phe-OH / ethyl acetate; hexane
2.2: aq. NaHCO3 / CH2Cl2 / 0.17 h
3.1: 97 percent / NaHCO3 / ethyl acetate; H2O / 2 h / 20 °C
4.1: aq. CAN / acetonitrile / 0 °C
5.1: 0.652 g / DMAP / acetonitrile / 0 - 20 °C
With
dmap; ammonium cerium(IV) nitrate; N-tert-butoxycarbonyl-L-phenylalanine; hydrogen; sodium hydrogencarbonate;
palladium on activated charcoal;
In
methanol; hexane; water; ethyl acetate; acetonitrile;
DOI:10.1021/jo061189l
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: Et3N / CH2Cl2 / 0.75 h / -40 °C
2.1: BF3*Et2O / CH2Cl2 / 12 h / -40 - 20 °C
3.1: 98 percent / H2 / Pd/C / ethyl acetate; methanol / 760 Torr
4.1: L-Boc-Phe-OH / ethyl acetate; hexane
4.2: aq. NaHCO3 / CH2Cl2 / 0.17 h
5.1: 97 percent / NaHCO3 / ethyl acetate; H2O / 2 h / 20 °C
6.1: aq. CAN / acetonitrile / 0 °C
7.1: 0.652 g / DMAP / acetonitrile / 0 - 20 °C
With
dmap; ammonium cerium(IV) nitrate; N-tert-butoxycarbonyl-L-phenylalanine; boron trifluoride diethyl etherate; hydrogen; sodium hydrogencarbonate; triethylamine;
palladium on activated charcoal;
In
methanol; hexane; dichloromethane; water; ethyl acetate; acetonitrile;
DOI:10.1021/jo061189l
