3-(Chloromethyl)pyridine hydrochloride → 2-[5-Chloro-2-(pyridin-3-ylmethoxy)benzyl]isoindole-1,3-dione

To a solution of 2-[5-chloro-2-hydroxy benzyl]isoindole-1,3-dione (300 mg, 1.04 mmol), and 3-picolylchloride hydrochloride (171 mg, 1.04 mmol) in anhydrous N,N-dimethylformamide (10 mL), cooled to 0° C., was added a 60% dispersion of sodium hydride in oil (104 mg, 2.6 mmol). The reaction was stirred at room temperature under anhydrous conditions for 15 h. The reaction was quenched by the addition of H2O (5 mL) and then poured into a separatory funnel, and aqueous saturated NaHCO3 solution (50 mL) was added. The aqueous layer was extracted 3×50 mL with CH2Cl2. The organics were combined and washed with saturated aqueous NaCl solution (100 mL), dried over MgSO4, filtered, and concentrated on a rotary evaporator triturated with ether, filtered and dried to yield the title compound.

1. customThe reaction was quenched by the addition of H2O (5 mL)
2. additionpoured into a separatory funnel
3. additionaqueous saturated NaHCO3 solution (50 mL) was added
4. extractionThe aqueous layer was extracted 3×50 mL with CH2Cl2
5. washwashed with saturated aqueous NaCl solution (100 mL)
6. dry with materialdried over MgSO4
7. filtrationfiltered
8. concentrationconcentrated on a rotary evaporator
9. customtriturated with ether
10. filtrationfiltered
11. customdried

ORDレコード

ord-65d39e7f9f4243bdaaafc34fa058d38b

出典データセット

uspto-grants-2004_10

DOI

10.6084/m9.figshare.5104873.v1

特許番号

US06803457B1