Xu, Le-Cun et al. published their patent in 2011 |CAS: 53838-27-0

The Article related to pteroic acid conjugate preparation immunostimulant, antitumor activity folate fluorescein conjugate preparation, Amino Acids, Peptides, and Proteins: Amino Acids and other aspects.Computed Properties of 53838-27-0

On October 25, 2011, Xu, Le-Cun; Vlahov, Iontcho Radoslavov; Leamon, Christopher Paul; Santhapuram, Hari Krishna; Li, Chunhong published a patent.Computed Properties of 53838-27-0 The title of the patent was Synthesis and purification of pteroic acid and conjugates thereof. And the patent contained the following:

Methods for purifying pteroic acid, analogs of pteroic acid, and derivatives of pteroic acid are described. Methods for synthesizing and purifying conjugates of vitamins, including FITC conjugates of folic acid, folic acid analogs, and derivatives of folic acid and folic acid analogs are also described. Purified forms of pteroic acid, derivatives and analogs of pteroic acid, and conjugates thereof are also described. The experimental process involved the reaction of (S)-5-tert-Butyl 1-methyl 2-aminopentanedioate(cas: 53838-27-0).Computed Properties of 53838-27-0

The Article related to pteroic acid conjugate preparation immunostimulant, antitumor activity folate fluorescein conjugate preparation, Amino Acids, Peptides, and Proteins: Amino Acids and other aspects.Computed Properties of 53838-27-0

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics