Patent classifications
C07C273/1863
METHOD FOR PRODUCING CARBAMATE AND METHOD FOR PRODUCING ISOCYANATE
The present invention provides a method for producing a carbamate that includes a step (1) and a step (2) described below: (1) a step of producing a compound (A) having a urea linkage, using an organic primary amine having at least one primary amino group per molecule and at least one compound selected from among carbon dioxide and carbonic acid derivatives, at a temperature lower than the thermal dissociation temperature of the urea linkage; and (2) a step of reacting the compound (A) with a carbonate ester to produce a carbamate.
Process to prepare higher ethylene amines and ethylene amine derivatives
The present invention relates to a process to prepare ethylene amines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.6 to 1.
Process to prepare higher ethylene amines and ethylene amine derivatives
The present invention relates to a process to prepare ethylene amines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.6 to 1.
UREA CONDENSATION COMPOSITIONS AND METHODS OF MAKING THE SAME
Urea-aldehyde condensation compositions, processes for preparing the same, and the use of said compositions are disclosed. The compositions can have a nitrogen content that is 100% water soluble and can be used as a fertilizer.
UREA CONDENSATION COMPOSITIONS AND METHODS OF MAKING THE SAME
Urea-aldehyde condensation compositions, processes for preparing the same, and the use of said compositions are disclosed. The compositions can have a nitrogen content that is 100% water soluble and can be used as a fertilizer.
Process to prepare higher ethylene amines and ethylene amine derivatives
The present invention relates to a process to prepare ethyleneamines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.
Process to prepare higher ethylene amines and ethylene amine derivatives
The present invention relates to a process to prepare ethyleneamines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.
PROCESS TO PREPARE HIGHER ETHYLENE AMINES AND ETHYLENE AMINE DERIVATIVES
The present invention relates to a process to prepare ethylene amines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.6 to 1.
PROCESS TO PREPARE HIGHER ETHYLENE AMINES AND ETHYLENE AMINE DERIVATIVES
The present invention relates to a process to prepare ethylene amines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.6 to 1.
PROCESS TO PREPARE HIGHER ETHYLENE AMINES AND ETHYLENE AMINE DERIVATIVES
The present invention relates to a process to prepare ethyleneamines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.