Patent classifications
C07C213/04
Synthesis of mono-chlorinated acetophenone
The present invention relates to the improved synthesis of chlorinated acetophenones (CAP) of formula (I). Particularly, the invention shows a way how to reduce the use of chlorinated solvents and the formation of chlorinated volatile by-products in the synthesis. ##STR00001##
Synthesis of mono-chlorinated acetophenone
The present invention relates to the improved synthesis of chlorinated acetophenones (CAP) of formula (I). Particularly, the invention shows a way how to reduce the use of chlorinated solvents and the formation of chlorinated volatile by-products in the synthesis. ##STR00001##
Synthesis of mono-chlorinated acetophenone
The present invention relates to the improved synthesis of chlorinated acetophenones (CAP) of formula (I). Particularly, the invention shows a way how to reduce the use of chlorinated solvents and the formation of chlorinated volatile by-products in the synthesis. ##STR00001##
QUARTERNARY AMMONIUM HYDROXIDES OF POLYAMINES
The present disclosure provides a quaternary ammonium hydroxide solution comprising a reaction product of a polyamine and an organic oxirane. The quaternary ammonium hydroxide solution may be used in various applications, such as in removing chemical residue from a metal or dielectric surface.
QUARTERNARY AMMONIUM HYDROXIDES OF POLYAMINES
The present disclosure provides a quaternary ammonium hydroxide solution comprising a reaction product of a polyamine and an organic oxirane. The quaternary ammonium hydroxide solution may be used in various applications, such as in removing chemical residue from a metal or dielectric surface.
N-hydroxyalkylated polyamines, methods of making n-hydroxyalkylated polyamines, and fluids containing an n-hydroxyalkylated polyamine
Methods of making N-hydroxyalkylated polyamines are provided, in which the method includes reacting a polyamine comprising Formula (XXIV): ##STR00001##
with a cyclic oxide to produce the N-hydroxyalkylated polyamine, where R.sup.1 and R.sup.2 are independently a —C or —CH group; R.sup.3 is an aliphatic hydrocarbyl; and R.sup.4 and R.sup.5 are independently acyclic hydrocarbyls, or are covalently connected to form an unsaturated cyclic hydrocarbyl.
N-hydroxyalkylated polyamines, methods of making n-hydroxyalkylated polyamines, and fluids containing an n-hydroxyalkylated polyamine
Methods of making N-hydroxyalkylated polyamines are provided, in which the method includes reacting a polyamine comprising Formula (XXIV): ##STR00001##
with a cyclic oxide to produce the N-hydroxyalkylated polyamine, where R.sup.1 and R.sup.2 are independently a —C or —CH group; R.sup.3 is an aliphatic hydrocarbyl; and R.sup.4 and R.sup.5 are independently acyclic hydrocarbyls, or are covalently connected to form an unsaturated cyclic hydrocarbyl.
SYNTHESIS OF MONO-CHLORINATED ACETOPHENONE
The present invention relates to the improved synthesis of chlorinated acetophenones (CAP) of formula (I). Particularly, the invention shows a way how to reduce the use of chlorinated solvents and the formation of chlorinated volatile by-products in the synthesis.
SYNTHESIS OF MONO-CHLORINATED ACETOPHENONE
The present invention relates to the improved synthesis of chlorinated acetophenones (CAP) of formula (I). Particularly, the invention shows a way how to reduce the use of chlorinated solvents and the formation of chlorinated volatile by-products in the synthesis.
SYNTHESIS OF MONO-CHLORINATED ACETOPHENONE
The present invention relates to the improved synthesis of chlorinated acetophenones (CAP) of formula (I). Particularly, the invention shows a way how to reduce the use of chlorinated solvents and the formation of chlorinated volatile by-products in the synthesis.