Technology Process of 4-fluoro-N-[(3R,4S)-3-hydroxy-6-piperazin-1-yl-chroman-4-yl]benzamide hydrochloride
There total 6 articles about 4-fluoro-N-[(3R,4S)-3-hydroxy-6-piperazin-1-yl-chroman-4-yl]benzamide hydrochloride which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: sodium tetrahydroborate / ethanol / 3 h / 20 °C / Industry scale
1.2: Industry scale; Cooling with ice
2.1: toluene-4-sulfonic acid / toluene / 3.83 h / 50 °C / Reflux; Industry scale
3.1: N-Bromosuccinimide; water / dimethyl sulfoxide / 1.5 h / 0 - 5 °C
4.1: ammonium hydroxide / isopropyl alcohol; water / 15 h / 20 °C
5.1: D-(+)-camphoric acid / acetonitrile; water / 0.17 h / 70 - 75 °C
5.2: 50 °C
6.1: sodium hydrogencarbonate / water; tetrahydrofuran / 2.25 h / 17 °C / Industry scale
7.1: sodium t-butanolate / bis(η3-allyl-μ-chloropalladium(II)); tri tert-butylphosphoniumtetrafluoroborate / dimethyl sulfoxide / 0.75 h / 93 - 98 °C / Inert atmosphere
7.2: pH 2.3
7.3: 1 h / 40 °C
With
ammonium hydroxide; sodium tetrahydroborate; N-Bromosuccinimide; D-(+)-camphoric acid; water; sodium hydrogencarbonate; toluene-4-sulfonic acid; sodium t-butanolate;
bis(η3-allyl-μ-chloropalladium(II)); tri tert-butylphosphoniumtetrafluoroborate;
In
tetrahydrofuran; ethanol; water; dimethyl sulfoxide; isopropyl alcohol; toluene; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: N-Bromosuccinimide; water / dimethyl sulfoxide / 1.5 h / 0 - 5 °C
2.1: ammonium hydroxide / isopropyl alcohol; water / 15 h / 20 °C
3.1: D-(+)-camphoric acid / acetonitrile; water / 0.17 h / 70 - 75 °C
3.2: 50 °C
4.1: sodium hydrogencarbonate / water; tetrahydrofuran / 2.25 h / 17 °C / Industry scale
5.1: sodium t-butanolate / bis(η3-allyl-μ-chloropalladium(II)); tri tert-butylphosphoniumtetrafluoroborate / dimethyl sulfoxide / 0.75 h / 93 - 98 °C / Inert atmosphere
5.2: pH 2.3
5.3: 1 h / 40 °C
With
ammonium hydroxide; N-Bromosuccinimide; D-(+)-camphoric acid; water; sodium hydrogencarbonate; sodium t-butanolate;
bis(η3-allyl-μ-chloropalladium(II)); tri tert-butylphosphoniumtetrafluoroborate;
In
tetrahydrofuran; water; dimethyl sulfoxide; isopropyl alcohol; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: toluene-4-sulfonic acid / toluene / 3.83 h / 50 °C / Reflux; Industry scale
2.1: N-Bromosuccinimide; water / dimethyl sulfoxide / 1.5 h / 0 - 5 °C
3.1: ammonium hydroxide / isopropyl alcohol; water / 15 h / 20 °C
4.1: D-(+)-camphoric acid / acetonitrile; water / 0.17 h / 70 - 75 °C
4.2: 50 °C
5.1: sodium hydrogencarbonate / water; tetrahydrofuran / 2.25 h / 17 °C / Industry scale
6.1: sodium t-butanolate / bis(η3-allyl-μ-chloropalladium(II)); tri tert-butylphosphoniumtetrafluoroborate / dimethyl sulfoxide / 0.75 h / 93 - 98 °C / Inert atmosphere
6.2: pH 2.3
6.3: 1 h / 40 °C
With
ammonium hydroxide; N-Bromosuccinimide; D-(+)-camphoric acid; water; sodium hydrogencarbonate; toluene-4-sulfonic acid; sodium t-butanolate;
bis(η3-allyl-μ-chloropalladium(II)); tri tert-butylphosphoniumtetrafluoroborate;
In
tetrahydrofuran; water; dimethyl sulfoxide; isopropyl alcohol; toluene; acetonitrile;