Polymethylene Derivatives of Nucleic Bases Bearing ω-Functional Groups: Х. A Novel Approach to the Synthesis of α-Amino-ω-Nucleo Carboxylic Acids
作者:V. V. Komissarov、A. M. Kritsyn
DOI:10.1134/s1068162018050060
日期:2018.11
A novel approach to the synthesis of α-amino-ω-nucleo carboxylic acids, analogs of willardiin, an activator of the receptor of α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid, which is responsible for the transfer of a fast stimulating signal in the synapses of the nervous system of vertebrates, is proposed. Based on substantial differences in the reactivity of halogen atoms in α,ω-dihalogen
Polymethylene derivatives of nucleic bases bearing ω-functional groups: IX—An unusual reaction of methyl 2-thiocyano-5-chloropentanoate with uracyl and thymine
作者:V. V. Komissarov、A. M. Kritzyn
DOI:10.1134/s1068162017060061
日期:2017.11
decades, potential inhibitors of the enzymes bearing thiocyano groups have been little studied. In this work, we tried to synthesize polymethylene derivatives of nucleic bases bearing thiocyano groups at the ω-position of the polymethylene chain. The reaction of new alkylating reagents, methyl α-thiocyano-ω-chloroalkanoates, with nucleic bases led to a complicated and barely separated product mixture.
尽管在过去的几十年中寻找 HIV 复制关键酶的抑制剂仍然是一个热门话题,并进行了深入研究,但对带有硫氰基的酶的潜在抑制剂的研究却很少。在这项工作中,我们试图合成在聚亚甲基链的 ω 位带有硫氰基的核酸碱基的聚亚甲基衍生物。新的烷基化试剂 α-硫氰基-ω-氯代链烷酸甲酯与核酸碱基的反应导致了复杂且几乎不分离的产物混合物。唯一的例外是尿嘧啶或胸腺嘧啶与 2-硫氰基-2-氯戊酸甲酯的反应,其中 2-(N1-尿嘧啶基或 -胸腺嘧啶基)四氢噻吩-2-羧酸盐的分离产率为 45-50%。讨论了该反应的潜在机制。
Process for the production of aminoacid hydrochlorides/or diaminoacid
申请人:Deutsche Gold- und Silber Scheideanstalt vormals Roessler
公开号:US04234744A1
公开(公告)日:1980-11-18
Aminoacid hydrochlorides or diaminoacid dihydrochlorides are produced by first reacting a halocarboxylic acid ester with an alkali metal cyanate in the presence of an alcohol to form the corresponding mono- or diurethane and then saponifying this to the corresponding mono- or dihydrochloride. The new process is relatively versatile in its use and above all opens up an elegant synthesis route for lysine.