Hydrochloric Acid → (+/-)-3-(6-chloro-4-hydroxy-2,3-dihydro-1H-inden-5-yl)-2-hydroxypropyl 4-methylbenzenesulfonate

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Reaction Steps

Treatment of (±)-3-[4-(benzyloxy)-6-chloro-2,3-dihydro-1H-inden-5-yl]-2-hydroxypropyl 4-methylbenzenesulfonate (6.30 g, 0.013 mol) with palladium on carbon (5 wt. %, 0.51 g) and hydrogen chloride (3.4 mL, 4 M in isopropanol) generally according to the procedure described for Intermediate 4 afforded 4.7 g (91%) of (±)-3-(6-chloro-4-hydroxy-2,3-dihydro-1H-inden-5-yl)-2-hydroxypropyl 4-methylbenzenesulfonate as a light yellow solid. mp 125-127° C.; Anal. calcd. for C19H21ClO5S.0.1H2O: C, 57.24; H, 5.36. Found: C, 56.92; H, 5.23.

Provenance & Evidence