Technology Process of 1,1'-[[(pentane-1,5-diyl)dioxy]-bis[(2-amino-N-allyloxycarbonyl-5-methoxy-1,4-phenylene)carbonyl]]-bis[(2S)-2-t-butyldimethylsilyloxymethyl-4-methylidene-2,3-dihydropyrrole]
There total 16 articles about 1,1'-[[(pentane-1,5-diyl)dioxy]-bis[(2-amino-N-allyloxycarbonyl-5-methoxy-1,4-phenylene)carbonyl]]-bis[(2S)-2-t-butyldimethylsilyloxymethyl-4-methylidene-2,3-dihydropyrrole] which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Methyltriphenylphosphonium bromide;
With
potassium tert-butylate;
In
tetrahydrofuran;
at 0 ℃;
for 2h;
1,1'-[[(pentane-1,5-diyl)dioxy]-bis[(2-amino-N-allyloxycarbonyl-5-methoxy-1,4-phenylene)carbonyl]]-bis[(2S)-2-t-butyldimethylsilyloxymethyl-4-oxo-pyrrolidine];
In
tetrahydrofuran;
at 20 ℃;
for 1h;
DOI:10.1021/jm030897l
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: diethyl azodicarboxylate; Ph3P / tetrahydrofuran / 1 h / 0 °C
1.2: tetrahydrofuran / 20 °C
2.1: Cu(NO3)2*3H2O; acetic anhydride / 0 - 20 °C
3.1: 100 percent / aq. NaOH / tetrahydrofuran / 72 h
4.1: oxalyl chloride; DMF / tetrahydrofuran
5.1: 5.29 g / Et3N / tetrahydrofuran; H2O / 3 h / 20 °C
6.1: 91 percent / hydrazine hydrate / Raney nickel / methanol / 1 h / Heating
7.1: 92 percent / pyridine / CH2Cl2 / 3.5 h / 20 °C
8.1: 75 percent / dimethyl sulphoxide; oxalyl chloride; Et3N / CH2Cl2 / -55 °C
9.1: potassium-t-butoxide / tetrahydrofuran / 2 h / 0 °C
9.2: 35 percent / tetrahydrofuran / 1 h / 20 °C
With
pyridine; sodium hydroxide; oxalyl dichloride; potassium tert-butylate; acetic anhydride; copper(II) nitrate; hydrazine hydrate; dimethyl sulfoxide; triethylamine; N,N-dimethyl-formamide; triphenylphosphine; diethylazodicarboxylate;
nickel;
In
tetrahydrofuran; methanol; dichloromethane; water;
1.1: Mitsunobu etherification / 8.1: Swern reaction;
DOI:10.1021/jm030897l
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: diethyl azodicarboxylate; Ph3P / tetrahydrofuran / 1 h / 0 °C
1.2: tetrahydrofuran / 20 °C
2.1: Cu(NO3)2*3H2O; acetic anhydride / 0 - 20 °C
3.1: 100 percent / aq. NaOH / tetrahydrofuran / 72 h
4.1: oxalyl chloride; DMF / tetrahydrofuran
5.1: 5.29 g / Et3N / tetrahydrofuran; H2O / 3 h / 20 °C
6.1: 91 percent / hydrazine hydrate / Raney nickel / methanol / 1 h / Heating
7.1: 92 percent / pyridine / CH2Cl2 / 3.5 h / 20 °C
8.1: 75 percent / dimethyl sulphoxide; oxalyl chloride; Et3N / CH2Cl2 / -55 °C
9.1: potassium-t-butoxide / tetrahydrofuran / 2 h / 0 °C
9.2: 35 percent / tetrahydrofuran / 1 h / 20 °C
With
pyridine; sodium hydroxide; oxalyl dichloride; potassium tert-butylate; acetic anhydride; copper(II) nitrate; hydrazine hydrate; dimethyl sulfoxide; triethylamine; N,N-dimethyl-formamide; triphenylphosphine; diethylazodicarboxylate;
nickel;
In
tetrahydrofuran; methanol; dichloromethane; water;
1.1: Mitsunobu etherification / 8.1: Swern reaction;
DOI:10.1021/jm030897l