| Reference: | Corey, E. J.; Desai, M. C. Tet. Lett. 1985, 26, 3535 |
| Keywords: | CarboxAcid -> CarboxCl Wolff-Kishner Ketone -> CH2 Ketone enolate+CO2 Wittig-methyl Ketene Cycloaddition |
| Reagents: | LiNiPr2 CO2 Ph3P=CH2 Oxalyl chloride NEtiPr2 Hydrazine KOtBu LiN(SiMe3)2 |