Technology Process of 8-oxo-9-(3,4,5-trimethoxyphenyl)-6,8-dihydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxole-5-carbaldehyde
There total 6 articles about 8-oxo-9-(3,4,5-trimethoxyphenyl)-6,8-dihydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxole-5-carbaldehyde which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
4 A molecular sieve; pyridinium chlorochromate;
In
dichloromethane;
at 0 ℃;
for 2h;
DOI:10.1002/adsc.200600587
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 71 percent / CsF; P(o-tol)3 / Pd2(dba)3*CHCl3 / acetonitrile / 40 h / 20 °C
2.1: 85 percent / NaH / CH2Cl2 / 24 h / 20 °C
3.1: DIBAL-H / CH2Cl2; toluene / 2 h / -78 °C
3.2: 61 percent / aq. potassium sodium tartrate / CH2Cl2; methanol / -78 - 20 °C
4.1: 92 percent / NaBH4 / methanol; tetrahydrofuran / 16 h / 0 °C
5.1: 98 percent / molecular sieves 4 Angstroem; PCC / CH2Cl2 / 2 h / 0 °C
With
sodium tetrahydroborate; 4 A molecular sieve; sodium hydride; diisobutylaluminium hydride; cesium fluoride; tris-(o-tolyl)phosphine; pyridinium chlorochromate;
tris(dibenzylideneacetone)dipalladium(0) chloroform complex;
In
tetrahydrofuran; methanol; dichloromethane; toluene; acetonitrile;
DOI:10.1002/adsc.200600587
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 71 percent / CsF; P(o-tol)3 / Pd2(dba)3*CHCl3 / acetonitrile / 40 h / 20 °C
2.1: 85 percent / NaH / CH2Cl2 / 24 h / 20 °C
3.1: DIBAL-H / CH2Cl2; toluene / 2 h / -78 °C
3.2: 61 percent / aq. potassium sodium tartrate / CH2Cl2; methanol / -78 - 20 °C
4.1: 92 percent / NaBH4 / methanol; tetrahydrofuran / 16 h / 0 °C
5.1: 98 percent / molecular sieves 4 Angstroem; PCC / CH2Cl2 / 2 h / 0 °C
With
sodium tetrahydroborate; 4 A molecular sieve; sodium hydride; diisobutylaluminium hydride; cesium fluoride; tris-(o-tolyl)phosphine; pyridinium chlorochromate;
tris(dibenzylideneacetone)dipalladium(0) chloroform complex;
In
tetrahydrofuran; methanol; dichloromethane; toluene; acetonitrile;
DOI:10.1002/adsc.200600587