C07D301/02

Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid
11053459 · 2021-07-06 · ·

Stabilized compositions employing a sequestrant system and a binding system for improving shelf stability and dispensing stability of a solid activated bleach composition are disclosed. The compositions contain a peroxygen source and a catalyst activator which require generation of a peroxycarboxylic acid or other active oxygen sanitizing agent at a point of use. Stabilized compositions employ a sequestrant system including a phosphonic acid and/or dipicolinic acid sequestrant and a binding system comprising an anionic surfactant for a solid formulation of a catalyst activator and peroxygen source to provide shelf stability and dispensing stability for a activated bleach composition. Methods of formulating and use are further disclosed.

Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid
11053459 · 2021-07-06 · ·

Stabilized compositions employing a sequestrant system and a binding system for improving shelf stability and dispensing stability of a solid activated bleach composition are disclosed. The compositions contain a peroxygen source and a catalyst activator which require generation of a peroxycarboxylic acid or other active oxygen sanitizing agent at a point of use. Stabilized compositions employ a sequestrant system including a phosphonic acid and/or dipicolinic acid sequestrant and a binding system comprising an anionic surfactant for a solid formulation of a catalyst activator and peroxygen source to provide shelf stability and dispensing stability for a activated bleach composition. Methods of formulating and use are further disclosed.

PROCESS FOR THE PREPARATION OF GLYCIDOL
20210017142 · 2021-01-21 ·

This invention relates to a process for the preparation of glycidol from the thermal decarboxylation of glycerol carbonate. In one aspect, the present invention provides a process for the preparation of glycidol by thermal decarboxylation of glycerol carbonate, said process comprising the steps of: d) contacting liquid glycerol carbonate with a decarboxylation promotor, having a boiling point of at least 160 C. at atmospheric pressure and consisting essentially of an aliphatic mono-ol, an aliphatic polyol, or mixtures thereof, to form a liquid phase mixture; e) applying heat to the liquid phase mixture formed in step a) to induce thermal decarboxylation of the glycerol carbonate; and f) separating glycidol formed in step b) from the liquid phase mixture by evaporation of glycidol; and
wherein the process does not comprise the use of a decarboxylation catalyst.

PROCESS FOR THE PREPARATION OF GLYCIDOL
20210017142 · 2021-01-21 ·

This invention relates to a process for the preparation of glycidol from the thermal decarboxylation of glycerol carbonate. In one aspect, the present invention provides a process for the preparation of glycidol by thermal decarboxylation of glycerol carbonate, said process comprising the steps of: d) contacting liquid glycerol carbonate with a decarboxylation promotor, having a boiling point of at least 160 C. at atmospheric pressure and consisting essentially of an aliphatic mono-ol, an aliphatic polyol, or mixtures thereof, to form a liquid phase mixture; e) applying heat to the liquid phase mixture formed in step a) to induce thermal decarboxylation of the glycerol carbonate; and f) separating glycidol formed in step b) from the liquid phase mixture by evaporation of glycidol; and
wherein the process does not comprise the use of a decarboxylation catalyst.

PROCESS OF PREPARING A PEPTIDE EPOXYKETONE IMMUNOPROTEASOME INHIBITOR, AND PRECURSORS THEREOF
20200407334 · 2020-12-31 ·

Disclosed herein are methods for preparing [(2S,3R)-N-[(2S)-3-(cyclopent-1-en-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]propanamido]propanamide (compound G):

##STR00001##

and precursors thereof.

PROCESS OF PREPARING A PEPTIDE EPOXYKETONE IMMUNOPROTEASOME INHIBITOR, AND PRECURSORS THEREOF
20200407334 · 2020-12-31 ·

Disclosed herein are methods for preparing [(2S,3R)-N-[(2S)-3-(cyclopent-1-en-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]propanamido]propanamide (compound G):

##STR00001##

and precursors thereof.

PREPARATION METHOD FOR EPOXY COMPOUND HAVING ALKOXYSILYL GROUP
20200331934 · 2020-10-22 ·

Provided is a method for preparing an epoxy compound having an alkoxysilyl group effectively by using a mild catalyst as well as an aromatic alcohol ring-opening agent. The preparation method for an epoxy compound having an alkoxysilyl group includes: performing a ring opening step by reacting an epoxy compound having an epoxide group, which is a starting material, with an aromatic alcohol ring-opening agent in the presence of a phosphine-based catalyst and an optional solvent so as to obtain an intermediate having a partially ring-opened epoxide group; and performing an alkoxysilylation step by reacting the intermediate having a partially ring-opened epoxide with isocyanate alkoxysilane.

PREPARATION METHOD FOR EPOXY COMPOUND HAVING ALKOXYSILYL GROUP
20200331934 · 2020-10-22 ·

Provided is a method for preparing an epoxy compound having an alkoxysilyl group effectively by using a mild catalyst as well as an aromatic alcohol ring-opening agent. The preparation method for an epoxy compound having an alkoxysilyl group includes: performing a ring opening step by reacting an epoxy compound having an epoxide group, which is a starting material, with an aromatic alcohol ring-opening agent in the presence of a phosphine-based catalyst and an optional solvent so as to obtain an intermediate having a partially ring-opened epoxide group; and performing an alkoxysilylation step by reacting the intermediate having a partially ring-opened epoxide with isocyanate alkoxysilane.

METHOD AND SYSTEM COMBINATION FOR THE PREPARATION OF SYNTHESIS PRODUCTS CONTAINING NITROGEN

The invention relates to a process (100), in which, with the inclusion of an air-separation method (10), an oxygen-rich substance flow (b) is formed, which, with a methane-rich substance flow (e), is subjected to a method for oxidative methane coupling. From the product flow (e) of the method for oxidative coupling of methane (20), one or more substance flows (f, i) are formed, which are subjected to one or more synthesis methods (40, 50) for the production of one or more nitrogen-containing synthesis products.

METHOD AND SYSTEM COMBINATION FOR THE PREPARATION OF SYNTHESIS PRODUCTS CONTAINING NITROGEN

The invention relates to a process (100), in which, with the inclusion of an air-separation method (10), an oxygen-rich substance flow (b) is formed, which, with a methane-rich substance flow (e), is subjected to a method for oxidative methane coupling. From the product flow (e) of the method for oxidative coupling of methane (20), one or more substance flows (f, i) are formed, which are subjected to one or more synthesis methods (40, 50) for the production of one or more nitrogen-containing synthesis products.