43189-09-9Relevant articles and documents
Preparation method of amino-acid ester
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Paragraph 0008, (2019/03/15)
The invention relates to a preparation method of amino-acid ester, and belongs to the field of synthesis of organic compounds. The preparation method of the amino-acid ester comprises the following steps: taking sulfur trioxide as a catalyst and a water-binding agent, catalyzing amino acid and alcohol to react so as to prepare sulfate of the amino-acid ester, then concentrating a reaction system to remove a reaction solvent and then adding water for dissolving, and neutralizing ammonia water to prepare the amino-acid ester. According to the technical scheme, the provided preparation method ofthe amino-acid ester has the advantages of mild reaction process, high yield, good purity, simplicity in operation and low cost. Concentrated condensate water of central mother liquor of the preparation method of the amino-acid ester can be directly subjected to biochemical treatment, solid by-products are high-purity ammonium sulfate, and can serve as chemical fertilizers, a reaction process is green and pollution-free, and thus, environmental protection is facilitated.
Inhibitors of lipoprotein(a) assembly
Sexton, Karen E.,Lee, Helen T.,Massa, Mark,Padia, Janak,Patt, William C.,Liao, Peggy,Pontrello, Jason K.,Roth, Bruce D.,Spahr, Mark A.,Ramharack, Randy
, p. 4827 - 4845 (2007/10/03)
Compounds of the general structure A and B were investigated for their activity as lipoprotein(a), [Lp(a)], assembly (coupling) inhibitors. SAR around the amino acid derivatives (structure A) gave compound 14-6 as a potent coupling inhibitor. Oral dosing
A new asymmetric transformation of alpha-amino-acid esters with (+)-tartaric acid.
Clark,Phillipps,Steer
, p. 475 - 481 (2007/10/05)
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