| Reference: | Coates, R. M.; Shaw, J. E. J. J. Am. Chem. Soc. 1970, 92, 5657 DOI |
| Keywords: | Dehydration -> Enone Ketone -> Enamine Robinson annulation, Enamine Enamine ConjAdd Enone -> Ketal(thio) Ketal(thio) -> CH2 Claisen acylation, carbonate Ketone enolate+Carbonate CompE+-CarboxEster/Ketone+Li-R Li-Me+Ketoester Pyrazoline Cyclopropane Azo fragmentation |
| Reagents: | Pyrrolidine Methyl vinyl ketone Acetate, sodium Acetic acid TsOH H2, RaNi NaH O=C(OR)2 MeLi HCl Hydrazine Hydroxide, potassium |