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Since the 90’s of 20th century Jacobsen designed alysts generally are too di?cult to recover and reuse.and synthesized the chiral C2-symmetric salen type Many of solid or polymer supported catalysts couldcomplex, a large number of chiral s
Since the 90’s of 20th century Jacobsen designed alysts generally are too di? Cult to recover and reuse. And synthesized the chiral C2-symmetric salen type Many of solid or polymer supported catalysts could complex, a large number of chiral s