Patent classifications
C07C33/042
ENZYMATIC SYNTHESIS OF 4'-ETHYNYL NUCLEOSIDE ANALOGS
The present invention relates to an enzymatic synthesis of 4-ethynyl-2-deoxy nucleosides and analogs thereof, for example EFdA, that eliminates the use of protecting groups on the intermediates, improves the stereoselectivity of glycosylation and reduces the number of process steps needed to make said compounds. It also relates to the novel intermediates employed in the process.
ENZYMATIC SYNTHESIS OF 4'-ETHYNYL NUCLEOSIDE ANALOGS
The present invention relates to an enzymatic synthesis of 4-ethynyl-2-deoxy nucleosides and analogs thereof, for example EFdA, that eliminates the use of protecting groups on the intermediates, improves the stereoselectivity of glycosylation and reduces the number of process steps needed to make said compounds. It also relates to the novel intermediates employed in the process.
ENZYMATIC SYNTHESIS OF 4'-ETHYNYL NUCLEOSIDE ANALOGS
The present invention relates to an enzymatic synthesis of 4-ethynyl-2-deoxy nucleosides and analogs thereof, for example EFdA, that eliminates the use of protecting groups on the intermediates, improves the stereoselectivity of glycosylation and reduces the number of process steps needed to make said compounds. It also relates to the novel intermediates employed in the process.
PROCESS FOR THE SYNTHESIS OF PROPARGYLIC ALCOHOL BY REACTING FORMALDEHYDE WITH ACETYLENE IN THE PRESENCE OF A HOMOGENEOUS COPPER CATALYST
A process to produce propargylic alcohol, wherein acetylene is reacted with formaldehyde in the liquid phase in the presence of a copper catalyst and at least one phosphine.
PROCESS FOR THE SYNTHESIS OF PROPARGYLIC ALCOHOL BY REACTING FORMALDEHYDE WITH ACETYLENE IN THE PRESENCE OF A HOMOGENEOUS COPPER CATALYST
A process to produce propargylic alcohol, wherein acetylene is reacted with formaldehyde in the liquid phase in the presence of a copper catalyst and at least one phosphine.
POLYURETHANE MATERIALS FORMED FROM UNSATURATED PLANT OILS VIA AN ALKYNE ZIPPER REACTION
A process of forming a polyurethane material includes forming an unsaturated alcohol from an unsaturated plant oil via a reduction reaction. The process includes forming an alkyne-terminated alcohol from the unsaturated alcohol and forming a polyol having two primary hydroxyl groups from the alkyne-terminated alcohol. The process further includes polymerizing a mixture that includes the polyol having the two primary hydroxyl groups to form a polyurethane material.
POLYURETHANE MATERIALS FORMED FROM UNSATURATED PLANT OILS VIA AN ALKYNE ZIPPER REACTION
A process of forming a polyurethane material includes forming an unsaturated alcohol from an unsaturated plant oil via a reduction reaction. The process includes forming an alkyne-terminated alcohol from the unsaturated alcohol and forming a polyol having two primary hydroxyl groups from the alkyne-terminated alcohol. The process further includes polymerizing a mixture that includes the polyol having the two primary hydroxyl groups to form a polyurethane material.
Polyurethane materials formed from unsaturated plant oils via an alkyne zipper reaction
A process of forming a polyurethane material includes forming an unsaturated alcohol from an unsaturated plant oil via a reduction reaction. The process includes forming an alkyne-terminated alcohol from the unsaturated alcohol and forming a polyol having two primary hydroxyl groups from the alkyne-terminated alcohol. The process further includes polymerizing a mixture that includes the polyol having the two primary hydroxyl groups to form a polyurethane material.
Polyurethane materials formed from unsaturated plant oils via an alkyne zipper reaction
A process of forming a polyurethane material includes forming an unsaturated alcohol from an unsaturated plant oil via a reduction reaction. The process includes forming an alkyne-terminated alcohol from the unsaturated alcohol and forming a polyol having two primary hydroxyl groups from the alkyne-terminated alcohol. The process further includes polymerizing a mixture that includes the polyol having the two primary hydroxyl groups to form a polyurethane material.
(6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10,14 trimetylpentadeca-5,9,13-trien-2-one or 6,10,14-trimetylpentadeca-5,9-dien-2-one
The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimethylpentadecan-2-one in a multistep synthesis from a mixture of (5E,9E)-, (5E,9Z)-, (5Z,9E)- and (5Z.9Z)-isomers of 6,10,14-trimethylpentadeca-5,9,13-trien-2-one or 6,10,14-trimethylpentadeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.