STRUCTURES OF CYCLOHEXANONE–UREA CONDENSATION PRODUCTS
作者:C. Podesva、E. J. Tarlton、A. F. McKay
DOI:10.1139/v62-215
日期:1962.7.1
A new series of urea derivatives was prepared by condensing cyclohexanone with urea, thiourea, and their monosubstituted derivatives.
通过将环己酮与尿素、硫脲及它们的单取代衍生物缩合,制备了一系列新的脲衍生物。
Process for the preparation of asymmetrically substituted ureas,
申请人:Chemie Linz Gesellschaft m.b.H.
公开号:US05248755A1
公开(公告)日:1993-09-28
Process for the preparation of asymmetrically substituted ureas, carbamates, thiocarbamates or substituted isocyanates by reaction of an adduct of isocyanic acid and a tertiary amine with a primary and secondary amine, an alcohol, a thiol or a compound having one or two non-cumulated olefinic double bonds, and a process for the preparation of N-mono- or N,N-disubstituted ureas by reaction of ammonium isocyanate with a primary or secondary amine in a diluent.
Process for the preparation of substituted isocyanates
申请人:Chemie Linz Gesellschaft m.b.H.
公开号:US05091553A1
公开(公告)日:1992-02-25
Process for the preparation of asymmetrically substituted ureas, carbamates, thiocarbamates or substituted isocyanates by reaction of an adduct of isocyanic acid and a tertiary amine with a primary and secondary amine, an alcohol, a thiol or a compound having one or two non-cumulated olefinic double bonds.