摘要:
A new method for the synthesis of L-Glutamyl-γ-D-Glutamic acid and its use in the synthesis of (2R)-((4S)-carboxy-4-(4,N-(((6S)-2-(hydroxymethyl)-4-oxo-3,4,7,8-tetrahydro-3H-cyclopenta[g]quinazolin-6-yl)-N-(prop-2-ynyl)amino)benzamido)butanamido)pentanedioic acid, 1 are provided. Also provided is an efficient method for the isolation and purification of the trisodium salt of the abovementioned acid, 2, in a form suitable for long term storage and use in a parenteral dosing form.
摘要:
A new method for the synthesis of L-Glutamyl-γ-D-Glutamic acid and its use in the synthesis of (2R)-((4S)-carboxy-4-(4,N-(((6S)-2-(hydroxymethyl)-4-oxo-3,4,7,8-tetrahydro-3H-cyclopenta[g]quinazolin-6-yl)-N-(prop-2-ynyl)amino)benzamido)butanamido)pentanedioic acid, 1 are provided. Also provided is an efficient method for the isolation and purification of the trisodium salt of the abovementioned acid, 2, in a form suitable for long term storage and use in a parenteral dosing form.
摘要:
A method of producing 6-amino-cyclopenta[g]quinazolines, in enantiomerically enriched form, is provided. In particular, the method may be applicable to the synthesis of N—{N-{4-[N-((6S)-2 -hydroxymethyl-4-oxo-3,4,7,8-tetrahydro-6H-cyclo-penta[g]quinazolin-6-yl)-N-(prop-2 -ynyl)amino]benzoyl}-L-γ-glutamyl}-D-glutamic acid (ONX-0801).
摘要:
A method of producing 6-amino-cyclopenta[g]quinazolines, in enantiomerically enriched form, is provided. In particular, the method may be applicable to the synthesis of N-{N-{4-[N-((6S)-2-hydroxymethyl-4-oxo-3,4,7,8-tetrahydro-6H-cyclo-penta[g]quinazolin-6-yl)-N-(prop-2-ynyl)amino]benzoyl}-L-γ-glutamyl}-D-glutamic acid (ONX-0801).
摘要:
The present invention provides compositions comprising sucralose and 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one or salts, solvates, and/or esters thereof and methods of making the compositions by spray drying. The present invention also provides ingestible compositions comprising compositions of the present invention and methods of making such foods. The present invention also includes a process of preparing 2-amino-thiophene derivatives, which are key intermediates for preparing 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one.
摘要:
The present invention provides compositions comprising sucralose and 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one or salts, solvates, and/or esters thereof and methods of making the compositions by spray drying. The present invention also provides ingestible compositions comprising compositions of the present invention and methods of making such foods. The present invention also includes a process of preparing 2-amino-thiophene derivatives, which are key intermediates for preparing 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one.
摘要:
The present invention provides compositions comprising sucralose and 4-amino-5,6-dimethylthieno [2,3-d]pyrimidine-2(1H)-one or salts, solvates, and/or esters thereof and methods of making the compositions by spray drying. The present invention also provides ingestible compositions comprising compositions of the present invention and methods of making such foods. The present invention also includes a process of preparing 2-amino-thiophene derivatives, which are key intermediates for preparing 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one.
摘要:
The present invention provides compositions comprising sucralose and 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one or salts, solvates, and/or esters thereof and methods of making the compositions by spray drying. The present invention also provides ingestible compositions comprising compositions of the present invention and methods of making such foods. The present invention also includes a process of preparing 2-amino-thiophene derivatives, which are key intermediates for preparing 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one.
摘要:
Novel cyanocycloalkylacetic acids and esters as well as salts thereof and in particular 1-cyanocyclohexaneacetic acid and ethyl 1-cyanocyclohexaneacetate are described which are useful as intermediates in a process for the preparation of cyclic amino acids.
摘要:
The present invention provides compositions comprising sucralose and 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one or salts, solvates, and/or esters thereof and methods of making the compositions by spray drying. The present invention also provides ingestible compositions comprising compositions of the present invention and methods of making such foods. The present invention also includes a process of preparing 2-amino-thiophene derivatives, which are key intermediates for preparing 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine-2(1H)-one.