87176-68-9
5-(triphenyl-λ5-phosphanylidene)hexadec-15-en-6-one
→
~71%
87163-31-3
hexadec-15-ene-5,6-dione
29541-98-8
Phosphorane, pentylidenetriphenyl-
38460-95-6
十一烯酰氯