Technology Process of 3H-2-Benzopyran-3-one, 1,4-dihydro-8-hydroxy-7-(phenylmethoxy)-
There total 5 articles about 3H-2-Benzopyran-3-one, 1,4-dihydro-8-hydroxy-7-(phenylmethoxy)- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2-(4-(benzyloxy)-3-hydroxyphenyl)acetic acid;
With
phenylboronic acid;
In
toluene;
for 1h;
Reflux;
Dean-Stark;
formaldehyd;
In
toluene;
at 100 ℃;
for 46h;
Molecular sieve;
Sealed tube;
In
water;
for 2h;
Reflux;
DOI:10.1016/j.bmc.2012.12.016
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: acetic acid; bromine / 2 h / 20 °C
2.1: potassium carbonate / acetone / Reflux
3.1: potassium hydroxide; water; copper; copper(II) oxide / 1 h / 140 °C / Inert atmosphere; Microwave irradiation
4.1: phenylboronic acid / toluene / 1 h / Reflux; Dean-Stark
4.2: 46 h / 100 °C / Molecular sieve; Sealed tube
4.3: 2 h / Reflux
With
water; bromine; copper; potassium carbonate; acetic acid; copper(II) oxide; potassium hydroxide; phenylboronic acid;
In
acetone; toluene;
DOI:10.1016/j.bmc.2012.12.016
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: potassium carbonate / acetone / Reflux
2.1: potassium hydroxide; water; copper; copper(II) oxide / 1 h / 140 °C / Inert atmosphere; Microwave irradiation
3.1: phenylboronic acid / toluene / 1 h / Reflux; Dean-Stark
3.2: 46 h / 100 °C / Molecular sieve; Sealed tube
3.3: 2 h / Reflux
With
water; copper; potassium carbonate; copper(II) oxide; potassium hydroxide; phenylboronic acid;
In
acetone; toluene;
DOI:10.1016/j.bmc.2012.12.016