| abstract |
NEW MATERIAL:A nitro compound of formula II (R 1 is 1W6C alkyl, group of formula II, etc.; R 2 is alkyl, alkenyl, alkynyl, etc.; R 3 is H, alkyl, phenyl, etc.). n EXAMPLE: 3-Acetyl-2-methyl-1-nitro-3-p-toluenesulfonyl-hex-5-yne. n USE: Useful as a synthetic intermediate for cyclopentenolone which is a synthetic intermediate for allethrin useful as an agricultural chemical, and an intermediate for prostaglandin useful as a medicine. n PROCESS: A compound of formula III is reacted with a nitroolefin of formula IV in the presence of a base, e.g. sodium methylate, at a temperature in the range of -50°C to the boiling point of a solvent to give the compound of formula I. n COPYRIGHT: (C)1982,JPO&Japio |