English to Japanese Other Chemistry; Chem Sci/Eng Chemical

This solution was then stirred for 1 h, and the solid was filtered. The filtrate was washed with aqueous NaHCO3 (125 g diluted to 1.7 L) and 10% aqueous NaCl (0.55 L). The organic layer wsa dried (MgSO4), filtered, and concentrated in vacuo. The risidue was distilled to afford 310 g (76%) of pure 4-chlorobutanal dimethyl acetal: bp 50 C/8.5 mm Hg. This material was directly used in the next step.