Technology Process of 2,7-Diazaspiro[4.5]decane-10-acetic acid,
3-ethenyl-7-[(4-methoxyphenyl)methyl]-1,6-dioxo-, 1,1-dimethylethyl
ester, (3R,5S,10S)-
There total 11 articles about 2,7-Diazaspiro[4.5]decane-10-acetic acid,
3-ethenyl-7-[(4-methoxyphenyl)methyl]-1,6-dioxo-, 1,1-dimethylethyl
ester, (3R,5S,10S)- 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:
-
diiodomethane;
With
titanium(IV) isopropylate; zinc;
In
tetrahydrofuran;
at 20 ℃;
for 1h;
(3R, 5S, 10R)-10-(tert-butoxycarbonylmethyl)-7-(4-methoxybenzyl)-1,6-dioxa-2,7-diaza-spiro[4,5]decane-3-carboxaldehyde;
In
tetrahydrofuran;
at 20 ℃;
for 14h;
DOI:10.1002/1521-3765(20011119)7:22<4811::AID-CHEM4811>3.0.CO;2-P
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: LiHMDS / tetrahydrofuran / 1 h / -78 °C
1.2: 95 percent / tetrahydrofuran / -78 °C
2.1: 73 percent / AgOTf; (iPr)2NEt / acetonitrile / 14 h / 20 °C
3.1: (iPr)2NEt / acetonitrile / 16 h / Heating
3.2: 80 percent / H2 / 10 percent Pd/C / methanol / 16 h / 760 Torr
4.1: 99 percent / Mg(ClO4) / acetonitrile / 2 h / 50 °C
5.1: 82 percent / LiBH4 / tetrahydrofuran / 0.58 h / -20 - 20 °C
6.1: 78 percent / Dess-Martin periodinane; H2O / CH2Cl2 / 1 h / 20 °C
7.1: Zn; Ti(OiPr)4 / tetrahydrofuran / 1 h / 20 °C
7.2: 84 percent / tetrahydrofuran / 14 h / 20 °C
With
titanium(IV) isopropylate; lithium borohydride; magnesium(II) perchlorate; water; silver trifluoromethanesulfonate; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine; lithium hexamethyldisilazane; zinc;
In
tetrahydrofuran; dichloromethane; acetonitrile;
7.1: Takai-Nozaki olefination;
DOI:10.1002/1521-3765(20011119)7:22<4811::AID-CHEM4811>3.0.CO;2-P
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 86 percent / DMAP; NEt3 / CH2Cl2 / 72 h / 20 °C
2.1: nBuLi / diethyl ether; hexane / 0.5 h / -78 °C
2.2: 96 percent / diethyl ether; hexane / 1.25 h / -78 - 20 °C
3.1: 73 percent / pTsOH*H2O / 2-methyl-propan-2-ol; diethyl ether / 16 h / 20 °C
4.1: 73 percent / AgOTf; (iPr)2NEt / acetonitrile / 14 h / 20 °C
5.1: (iPr)2NEt / acetonitrile / 16 h / Heating
5.2: 80 percent / H2 / 10 percent Pd/C / methanol / 16 h / 760 Torr
6.1: 99 percent / Mg(ClO4) / acetonitrile / 2 h / 50 °C
7.1: 82 percent / LiBH4 / tetrahydrofuran / 0.58 h / -20 - 20 °C
8.1: 78 percent / Dess-Martin periodinane; H2O / CH2Cl2 / 1 h / 20 °C
9.1: Zn; Ti(OiPr)4 / tetrahydrofuran / 1 h / 20 °C
9.2: 84 percent / tetrahydrofuran / 14 h / 20 °C
With
titanium(IV) isopropylate; dmap; lithium borohydride; n-butyllithium; magnesium(II) perchlorate; water; silver trifluoromethanesulfonate; Dess-Martin periodane; toluene-4-sulfonic acid; triethylamine; N-ethyl-N,N-diisopropylamine; zinc;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; acetonitrile; tert-butyl alcohol;
9.1: Takai-Nozaki olefination;
DOI:10.1002/1521-3765(20011119)7:22<4811::AID-CHEM4811>3.0.CO;2-P
