Technology Process of 4-(3,4-dimethoxyphenyl)-3-cyclohexene-1,2-dione 1-<(2S,3S)-1,4-dimethoxy-2,3-butylene>acetal
There total 6 articles about 4-(3,4-dimethoxyphenyl)-3-cyclohexene-1,2-dione 1-<(2S,3S)-1,4-dimethoxy-2,3-butylene>acetal which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) CSA, 2.) K2CO3 / 1.) RT; 6 h, 0.5 mmHg, 2.) CH2Cl2, 10 min
2: 93 percent / PCC, celite / CH2Cl2 / 12 h / Ambient temperature
3: 90 percent / tetrahydrofuran
4: 1.) PDC, Ac2O, molecular sieves 3A, 2.) AcOH / 1.) CH2Cl2, RT; 2 h, 2.) 0 deg C, 10 min
With
dipyridinium dichromate; 3 A molecular sieve; Celite; camphor-10-sulfonic acid; acetic anhydride; potassium carbonate; acetic acid; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 90 percent / m-CPBA / 0.5 h / Ambient temperature
2: 1.) CSA, 2.) K2CO3 / 1.) RT; 6 h, 0.5 mmHg, 2.) CH2Cl2, 10 min
3: 93 percent / PCC, celite / CH2Cl2 / 12 h / Ambient temperature
4: 90 percent / tetrahydrofuran
5: 1.) PDC, Ac2O, molecular sieves 3A, 2.) AcOH / 1.) CH2Cl2, RT; 2 h, 2.) 0 deg C, 10 min
With
dipyridinium dichromate; 3 A molecular sieve; Celite; camphor-10-sulfonic acid; acetic anhydride; potassium carbonate; acetic acid; 3-chloro-benzenecarboperoxoic acid; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) CSA, 2.) K2CO3 / 1.) RT; 6 h, 0.5 mmHg, 2.) CH2Cl2, 10 min
2: 93 percent / PCC, celite / CH2Cl2 / 12 h / Ambient temperature
3: 90 percent / tetrahydrofuran
4: 1.) PDC, Ac2O, molecular sieves 3A, 2.) AcOH / 1.) CH2Cl2, RT; 2 h, 2.) 0 deg C, 10 min
With
dipyridinium dichromate; 3 A molecular sieve; Celite; camphor-10-sulfonic acid; acetic anhydride; potassium carbonate; acetic acid; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane;
