Hi can you help me with the mechanism and theoretical yield for the synthesis of trans-9-(2-phenylethenyl)anthracene: a wittign reaction. Thank you!
SEM MIC R o s CA LE wITTIG s Y N T HESIS Equipment hot magnetic stir bar 50-mL beaker 2 beakers, 100-mL 250-mL beaker" magnetic stirrer boiling chip medicine dropper Buchner funnel, with adapter microspatula condenser, with tubing product vial distilling head 25-mL round-bottom flask 25-mL Erlenmeyer flask 125-mL separatory funnel 250-mL filter flask, 2 support stands with vacuum tubing 2 utility clamps filter paper watch glass 10-mL graduated cylinder "for bath and for hot-water bath Reagents and Properties molar mass by mp quantity (gimo) CC) CC) (ehml) 9-anthraldehyde 0.520 g 20624 benzyltriphenyl- 0.980 g 38888 phosphonium chloride calcium chloride, 110,99 anhydrous 18 mL 84.93 trani 9-02 phenyl. 1,325 ethenyl)anthracene 130-132 20 mL 60.10 82 50% sodium hydroxide 13 ml. Dissolve in dichloromethane chloride and 9- anthraldehyde Add 50% aqueous sodium hydroxide Stir the reaction mixture vigorously for 30 min Use a separatory funnel to separate the dichloromethane layer from the aqueous layer Extract the aqueous layer with additional dichloromethane Dry the combined dichloromethane layers over anhydrous calcium chloride Remove the solvent from the crude product Recrystallize the crude product from 2 Dry and weigh the product propanol
