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1¡¢ The mixture was cooled to 70¡æ, seeded at 70¡æ, and aged at 70¡æ for 1 h.The suspension was cooled down within 7h to 0 ¡æ and further stirred at 0¡æ¡C during 60 min. The resulting suspension was filtered and the filter cake washed twice with cold isopropylacetate (30 mL). The filter cake was dried at 50 ¡C and 125 mbar pressure to give 46.8 g of pure 2 (yield 80% based on 4). ÇëÎÊ£ºThe mixture was cooled to 70¡æ, seeded at 70¡æ, and aged at 70¡æ for 1 h. Õâ¾ä»°Ôõô·Ò룿£¿ 2¡¢nonenolizable aldehydes ÖеÄnonenolizableÔõô·Ò룿£¿ |
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hust_gaoyi
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hust_gaoyi
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mnbbnm123
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