A process is provided for converting cyclic alkyleneureas into their corresponding alkyleneamines. The process includes reacting a feedstock comprising cyclic alkyleneureas in the liquid phase with water in an amount of from about 0.1 to about 20 mole water per mole urea moiety, at a temperature of at least 230 C., with removal of CO2. The process may allow the efficient conversion of alkyleneureas into the corresponding alkyleneamines. In certain embodiments, the process has a high yield and low side product production.

A process is provided for converting cyclic alkyleneureas into their corresponding alkyleneamines. The process includes reacting a feedstock comprising cyclic alkyleneureas in the liquid phase with water in an amount of from about 0.1 to about 20 mole water per mole urea moiety, at a temperature of at least 230 C., with removal of CO2. The process may allow the efficient conversion of alkyleneureas into the corresponding alkyleneamines. In certain embodiments, the process has a high yield and low side product production.

A process is provided for converting cyclic alkyleneureas into their corresponding alkyleneamines. The process includes reacting a feedstock comprising cyclic alkyleneureas in the liquid phase with water in an amount of from about 0.1 to about 20 mole water per mole urea moiety, at a temperature of at least 230 C., with removal of CO2. The process may allow the efficient conversion of alkyleneureas into the corresponding alkyleneamines. In certain embodiments, the process has a high yield and low side product production.

The present invention relates to a method for preparing substituted 4-aminoindane derivatives of the general formula (I)

##STR00001##

by rearrangement of compounds of the formula (II) in HF, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 have the definitions as specified in the description.

The present invention relates to a method for preparing substituted 4-aminoindane derivatives of the general formula (I)

##STR00001##

by rearrangement of compounds of the formula (II) in HF, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 have the definitions as specified in the description.

A process for converting a feedstock comprising cyclic alkyleneureas into their corresponding alkyleneamines is provided. The process includes a CO.sub.2 removal step in which cyclic alkyleneureas are converted into their corresponding alkyleneamines by reacting cyclic alkyleneureas in the liquid phase with water with removal of CO.sub.2. The exemplary process further includes an amine removal step wherein cyclic alkyleneureas are converted in a reactive separation process into their corresponding alkyleneamines by reaction with an amine compound selected from the group of primary amines or secondary amines which have a higher boiling point than the alkyleneamines formed during the process.

A process for converting a feedstock comprising cyclic alkyleneureas into their corresponding alkyleneamines is provided. The process includes a CO.sub.2 removal step in which cyclic alkyleneureas are converted into their corresponding alkyleneamines by reacting cyclic alkyleneureas in the liquid phase with water with removal of CO.sub.2. The exemplary process further includes an amine removal step wherein cyclic alkyleneureas are converted in a reactive separation process into their corresponding alkyleneamines by reaction with an amine compound selected from the group of primary amines or secondary amines which have a higher boiling point than the alkyleneamines formed during the process.

A process for converting a feedstock comprising cyclic alkyleneureas into their corresponding alkyleneamines is provided. The process includes a CO.sub.2 removal step in which cyclic alkyleneureas are converted into their corresponding alkyleneamines by reacting cyclic alkyleneureas in the liquid phase with water with removal of CO.sub.2. The exemplary process further includes an amine removal step wherein cyclic alkyleneureas are converted in a reactive separation process into their corresponding alkyleneamines by reaction with an amine compound selected from the group of primary amines or secondary amines which have a higher boiling point than the alkyleneamines formed during the process.

Urea derivatives, methods for preparing ethylene amines, and methods of polymer manufacturing are provided. An exemplary method for preparing ethylene amines with n ethylene units and n+1 amine groups wherein n is at least 4, or urea derivatives of said ethylene amines, includes reacting an ethanolamine-functional compound, an amine-functional compound, and a carbon oxide delivering agent, wherein the ethanolamine-functional compound is of the formula HO(C2H4NH)qH, q is at least 1, the amine-functional compound is of the formula H2N(C2H4NH)rH, r is at least 1, the sum q+r is at least 4 and wherein optionally one or more of the ethanol-amine functional compound or amine-functional compound are at least partly used as their cyclic carbamate derivative, or linear or cyclic urea derivative.

Urea derivatives, methods for preparing ethylene amines, and methods of polymer manufacturing are provided. An exemplary method for preparing ethylene amines with n ethylene units and n+1 amine groups wherein n is at least 4, or urea derivatives of said ethylene amines, includes reacting an ethanolamine-functional compound, an amine-functional compound, and a carbon oxide delivering agent, wherein the ethanolamine-functional compound is of the formula HO(C2H4NH)qH, q is at least 1, the amine-functional compound is of the formula H2N(C2H4NH)rH, r is at least 1, the sum q+r is at least 4 and wherein optionally one or more of the ethanol-amine functional compound or amine-functional compound are at least partly used as their cyclic carbamate derivative, or linear or cyclic urea derivative.