Patent classifications
C07C269/08
CHEMOLYTIC UPGRADING OF LOW-VALUE MACROMOLECULE FEEDSTOCKS TO HIGHER-VALUE FUELS AND CHEMICALS
A method is provided for deconstructing macromolecules (MM) into lower molecular weight (MW) fragments in high yield by promoting first desirable reactions (Reactions1) that result in chemolytic scission of bonds in the backbone, chain, matrix, or network that defines the MM and obtain a first product mixture (Product1). The method includes conveying the prepared feedstock in a flowpath toward a reactor while adding a first agent of a first type (A1T1) suitable for promoting Reactions1, and a second agent (A2) suitable for promoting Reactions1 to obtain a first reaction mixture which is heated under controlled pressure.
Processes for preparing (E)-(2-(chloromethyl)-3-fluoroallyl) carbamate compounds
The present technology provides a process for selectively preparing an (E)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound by refluxing an (E/Z)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound in an organic solvent, followed by crystallization by cooling.
Processes for preparing (E)-(2-(chloromethyl)-3-fluoroallyl) carbamate compounds
The present technology provides a process for selectively preparing an (E)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound by refluxing an (E/Z)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound in an organic solvent, followed by crystallization by cooling.
HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS
Shell-and-tube strippers for stripping a urea/carbamate mixture, related systems, methods, and uses. The stripper includes a shell, a plurality of tubes disposed within the shell, and a heating fluid distributor for homogenizing the flow of a heating fluid near a heating fluid inlet. The heating fluid distributor includes an edge wall and a laterally disposed heating fluid distribution plate. Related systems, methods, and uses are also provided.
HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS
Shell-and-tube strippers for stripping a urea/carbamate mixture, related systems, methods, and uses. The stripper includes a shell, a plurality of tubes disposed within the shell, and a heating fluid distributor for homogenizing the flow of a heating fluid near a heating fluid inlet. The heating fluid distributor includes an edge wall and a laterally disposed heating fluid distribution plate. Related systems, methods, and uses are also provided.
HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS
Shell-and-tube strippers for stripping a urea/carbamate mixture, related systems, methods, and uses. The stripper includes a shell, a plurality of tubes disposed within the shell, and a heating fluid distributor for homogenizing the flow of a heating fluid near a heating fluid inlet. The heating fluid distributor includes an edge wall and a laterally disposed heating fluid distribution plate. Related systems, methods, and uses are also provided.
CRYSTALLINE FORMS OF 1-(ACYLOXY)-ALKYL CARBAMATE DRUG CONJUGATES OF NAPROXEN AND PREGABALIN
Crystalline forms of the drug conjugate (S)-3-((((R)-1-((S)-2-(6-methoxynaphthalen-2-yl)propanoyloxy)ethoxy)carbonyl-amino)methyl)-5-methylhexanoic acid and their pharmaceutical compositions are described herein. Also described are methods of using the crystalline forms for treatment of diseases and conditions.
CRYSTALLINE FORMS OF 1-(ACYLOXY)-ALKYL CARBAMATE DRUG CONJUGATES OF NAPROXEN AND PREGABALIN
Crystalline forms of the drug conjugate (S)-3-((((R)-1-((S)-2-(6-methoxynaphthalen-2-yl)propanoyloxy)ethoxy)carbonyl-amino)methyl)-5-methylhexanoic acid and their pharmaceutical compositions are described herein. Also described are methods of using the crystalline forms for treatment of diseases and conditions.
PROCESSES FOR PREPARING (E)-(2-(CHLOROMETHYL)-3-FLUOROALLYL) CARBAMATE COMPOUNDS
The present technology provides a process for selectively preparing an (E)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound by refluxing an (E/Z)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound in an organic solvent, followed by crystallization by cooling.
PROCESSES FOR PREPARING (E)-(2-(CHLOROMETHYL)-3-FLUOROALLYL) CARBAMATE COMPOUNDS
The present technology provides a process for selectively preparing an (E)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound by refluxing an (E/Z)-(2-(chloromethyl)-3-fluoroallyl)carbamate compound in an organic solvent, followed by crystallization by cooling.