Abstract:
Compounds of formulae I and II are disclosed, as well as compositions comprising them and methods of their use to treat, prevent and manage serotonin-mediated diseases and disorders:
Abstract:
Methods of alkylating target compounds are disclosed. The alkylating agent can be radiolabelled. In some instances, the alkylating agent is synthesized and then reacted with a target compound without an intervening purification step. The method comprises a) synthesizing an alkylating agent having the formula: X—(CR1R2)aCR3R4-LG wherein, a is 0, 1, 2 or 3, R1, R2, R3 and R4 are independently H, X or alkyl, X is a halogen or a label, with the proviso that at least one X is a halogen, LG is a leaving group; and b) directly reacting said alkylating agent with a target compound comprising an alkylation reactive group under conditions suitable for the alkylation of said target compound.
Abstract translation:公开了烷基化目标化合物的方法。 烷基化剂可以放射性标记。 在一些情况下,合成烷基化剂,然后与目标化合物反应而不需要介入纯化步骤。 该方法包括:a)合成具有下列通式的烷基化剂:X-(CR 1 R 2)a CR 3 R 4 -L-其中a为0,1,2或3,R 1,R 2,R 3和R 4独立地为H,X或烷基,X为 卤素或标记,条件是至少一个X是卤素,LG是离去基团; 和b)在适于所述目标化合物的烷基化的条件下,使所述烷基化剂与包含烷基化反应性基团的目标化合物直接反应。
Abstract:
Prodrugs of levodopa, methods of making prodrugs of levodopa, methods of using prodrugs of levodopa, and compositions of prodrugs of levodopa are disclosed.
Abstract:
Levodopa dimethyl-substituted diester prodrugs pharmaceutical, compositions comprising levodopa dimethyl-substituted diester prodrugs, and methods of using such prodrugs and pharmaceutical compositions for treating diseases such as Parkinson's disease are provided.
Abstract:
The present invention is directed to a derivative comprised of an L-Threonine bonded to a medicament or drug having a hydroxy, amino, carboxy or acylating derivative thereon. The derivative has the same utility as the drug from which it is made, but it has enhanced therapeutic properties. In fact, the derivatives of the present invention enhance at least one or more therapeutic qualities, as defined herein. The present invention is also directed to pharmaceutical compositions containing same.
Abstract:
The present invention describes a process for the synthesis of an amino acid methyl ester comprising the following steps: (a) refluxing a reaction mixture comprising a free amino acid, methanol and a strong acid; (b) concentrating the mixture; (c) adding methanol; (d) repeating steps a-c one or more times.
Abstract:
(2R)-2-Phenylcarbonyloxypropyl(2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoate mesylate and crystalline form thereof, methods of making the same, pharmaceutical compositions thereof, and methods of using the same to treat diseases or disorders such as Parkinson's disease are provided.
Abstract:
Compounds according to the formula below are disclosed herein: Therapeutic methods, compositions, and medicaments related thereto are also disclosed.
Abstract:
Method for the preparation of asymmetric alkynylated α-amino esters of the formula wherein R1 and R2 are independently optionally substituted alkyl cycloalkyl, aryl or heteroaryl, and Y is hydrogen or a nitrogen protecting group.