Multi-step reaction with 9 steps
1.1: toluene-4-sulfonic acid / ethanol / 18 h / Inert atmosphere; Reflux
2.1: acetic acid / 123 - 145 °C / Inert atmosphere
3.1: tris-(dibenzylideneacetone)dipalladium(0); tri tert-butylphosphoniumtetrafluoroborate; N-Methyldicyclohexylamine / 16 h / 100 °C / Inert atmosphere
4.1: potassium tert-butylate / tetrahydrofuran / 2 h / 66 °C / Inert atmosphere
4.2: 2.5 h / 60 °C / Inert atmosphere
5.1: bis(1,5-cyclooctadiene)diiridium(I) dichloride / toluene; N,N-dimethyl-formamide / 1.58 h / 100 °C / Inert atmosphere
6.1: CDX ketoreductase P3H2; NADP / aq. phosphate buffer; isopropyl alcohol / 20 h / 33 - 35 °C / pH 7.0 / Inert atmosphere; Enzymatic reaction
7.1: triethylamine; sodium azide / N,N-dimethyl-formamide / 18 h / 70 °C / Inert atmosphere
8.1: chloro(1,5-cyclooctadiene)(pentamethylcyclopentadiene)ruthenium(II) / toluene / 13.25 h / 70 - 90 °C / Inert atmosphere
9.1: sodium hydroxide; water / ethanol; toluene / 2.5 h / 50 °C
With
tris-(dibenzylideneacetone)dipalladium(0); bis(1,5-cyclooctadiene)diiridium(I) dichloride; sodium azide; chloro(1,5-cyclooctadiene)(pentamethylcyclopentadiene)ruthenium(II); N-Methyldicyclohexylamine; potassium tert-butylate; water; CDX ketoreductase P3H2; NADP; toluene-4-sulfonic acid; acetic acid; triethylamine; sodium hydroxide; tri tert-butylphosphoniumtetrafluoroborate;
In
tetrahydrofuran; aq. phosphate buffer; ethanol; N,N-dimethyl-formamide; isopropyl alcohol; toluene;
DOI:10.1021/acs.oprd.1c00128