Technology Process of 3',4'-dihydroxy-7-O-β-D-glucopyranosyloxyflavylium chloride
There total 5 articles about 3',4'-dihydroxy-7-O-β-D-glucopyranosyloxyflavylium chloride 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:
-
1-(3,4-dihydroxyphenyl)ethan-1-one; [(2R,3R,4S,5R,6S)-3,4,5-tris(acetyloxy)-6-(4-formyl-3-hydroxyphenoxy)oxan-2-yl]methyl acetate;
With
hydrogenchloride;
In
ethyl acetate;
at -18 - 0 ℃;
for 144h;
With
sodium methylate;
In
methanol;
at 20 ℃;
for 1.5h;
pH=9;
Inert atmosphere;
With
hydrogenchloride;
In
methanol; water;
at 4 ℃;
for 12h;
pH=1;
Inert atmosphere;
DOI:10.1016/j.dyepig.2012.07.006
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: acetic acid; zinc / tetrahydrofuran / 48 h / 20 °C
2.1: hydrogenchloride / ethyl acetate / 144 h / -18 - 0 °C
2.2: 1.5 h / 20 °C / pH 9 / Inert atmosphere
2.3: 12 h / 4 °C / pH 1 / Inert atmosphere
With
hydrogenchloride; acetic acid; zinc;
In
tetrahydrofuran; ethyl acetate;
DOI:10.1016/j.dyepig.2012.07.006
- Guidance literature:
-
Multi-step reaction with 2 steps
1: hydrogenchloride / water / Irradiation
2: hydrogenchloride / water / Irradiation
With
hydrogenchloride;
In
water;
DOI:10.1039/c2pp25329a
