| abstract |
Process to produce e-caprolactam, comprising the step of reacting a compound represented by the general formula (I) or (II): ** (See formula) ** [in which R1, R2 and R3 each represent, independently, OR4 or NR5R6; each R4 independently represents H or C1-C5 alkyl; each R5 independently represents H or C1-C5 alkyl; and X represents -CH (OH) CH2CH2-, CH2CH (OH) CH2-, -CH = CHCH2- or -CH2CH = CH-] or a salt thereof with hydrogen and ammonia. |