Diethyl Ether → HCID 12137769, compound

A 3-neck 500-mL round-bottomed flask fitted with a condenser and an addition funnel was charged with 1.86 g (77 mmol) of Mg turnings and 15 mL of anhydrous diethyl ether. Slow addition of a solution of 9.9 g (53 mmol) of 3,5-dimethyl-bromobenzene in diethyl ether (60 mL), followed by refluxing for 1 hour, gave an orange solution of the aryl Gnrgnard reagent. The solution was cooled to room temperature, filtered over a plug of Celite and the solvent was removed in vacuo from the filtrate. Toluene (30 mL) was added and the solution cooled to 0° C. whereupon a solution of 2-indanone-(5.67 g, 43 mmol) in toluene (50 mL) was added dropwise to give an orange slurry. This mixture was warmed to room temperature and stirred for an additional 9 hours. After cooling to 0° C., it was quenched with 100 mL of water. Hexane (150 mL) was added and the reaction mixture neutralized with 5M HCl. The organic layer was separated, and the aqueous layer was extracted with two 40-mL portions of hexane. The combined organic layers were washed with two 40-mL portions of brine and dried over anhydrous magnesium sulfate. After filtration over Celite, the solvent was removed in vacuo yielding 2-(3,5-dimethyl)phenylindanol as a very viscous oil.

1. customA 3-neck 500-mL round-bottomed flask fitted with a condenser and an addition funnel
2. temperatureby refluxing for 1 hour

ORD record

ord-33b584ee001d4a1e82c3789c1a027530

Source dataset

uspto-grants-2003_05

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US06559262B1