138625-63-5Relevant academic research and scientific papers
N-acylation reactions performed in aqueous reaction medium: Screening and optimising of a synthetic step of a process for iodixanol
Bjorsvik, Hans-Rene,Engell, Torgrim
, p. 113 - 119 (2002)
This contribution presents results from a development and optimisation project concerning a synthetic process for iodixanol. Iodixanol is the "active ingredient" in Visipaque (Nycomed Amersham now Amersham Health) a medical X-ray imaging contrast agent. T
Toward the development of chemoprevention agents. Part 1: Design, synthesis, and anti-inflammatory activities of a new class of 2,5-disubstituted-dioxacycloalkanes
Gu, Keli,Bi, Lanrong,Zhao, Ming,Wang, Chao,Ju, Jingfang,Peng, Shiqi
, p. 4775 - 4799 (2008/03/14)
A new class of 2,5-disubstituted-dioxacycloalkanes were designed and synthesized via stereoselective synthetic method as cancer chemoprevention agents. The anti-inflammatory activities of these compounds were tested using the xylene-induced mouse ear edema model. Some of these compounds exhibited comparable or better anti-inflammatory activities than that of aspirin suggesting that they can be further developed as potential anti-inflammatory drug lead compounds. In addition, treatment of these anti-inflammatory agents did not prolong tail bleeding time in mice. The structure/activity relationships were also analyzed among these compounds.
Unexpected selectivity in sodium borohydride reductions of α-substituted esters: Experimental and theoretical studies
Li, Liang-Chun,Jiang, Ju-Xing,Ren, Jie,Ren, Yi,Pittman Jr., Charles U.,Zhu, Hua-Jie
, p. 1981 - 1990 (2007/10/03)
The propensity of sodium borohydride to reduce the carbonyl group in eleven α-substituted and two aromatic esters has been investigated by experiments and at the B3LYP/6-31++G(d,p)//HF/6-31G(d,p) level of theory. The chemoselectivities in nine of these reductions have been examined by experiments. Experimental results agree well with the calculated order of activation energies for hydride transfer to the ester carbonyl group. Methyl α-bromoacetate reduces faster than methyl α-fluoroacetate. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.
5-Benzoylamino-1,3-dioxacyclanes, the method for preparing the same and their use as PKC inhibitor
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Page/Page column 3, (2008/06/13)
The present invention discloses a series of benzoylamino-1,3-dioxacyclane compounds, of which compounds 1-21 were prepared via transacetalisation reaction between N-benzoylaminoglycol and 1,1,3,3-tetramethoxypropane; while compounds 22-48 were prepared vi
Stereoselective transacetalization of 1,1,3,3-tetramethoxypropane and N- benzoylaminodiols
Bi, Lanrong,Zhao, Ming,Wang, Chao,Peng, Shiqi
, p. 2669 - 2676 (2007/10/03)
The transacetalization of 1,1,3,3-tetramethoxypropane and an N- benzoylaminodiol provided stereoselectively the corresponding 2,5- disubstituted-1,3-dioxanes. The stereochemistry of the rings formed in the transacetalization depended on the structure of the amino diol, and the ratio of the products depended on the reaction conditions, as expected. This kind of stereoselective transacetalization not only gives a series of useful building blocks but also generates interesting 1,3-dioxanes which target protein kinase C.
Cyclic phosphonate ester inhibitors of microsomal triglyceride transfer protein and method
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, (2008/06/13)
Novel cyclic phosphonate ester inhibitors of MTP are provided which have the structure STR1 wherein R2, L2, A, B, L1, R1 and R5a are as set out herein. These compounds are useful in lowering serum cho
An efficient synthesis of 6-substituted aminohexahydro-1H-1,4-diazepines from 2-substituted aminopropenals
Harada, Hiroshi,Morie, Toshiya,Hirokawa, Yoshimi,Kato, Shiro
, p. 2205 - 2212 (2007/10/03)
Swern oxidation of 2-substituted amino-1,3-propanediols 20a - d, 38, 41, and 42 smoothly proceeded to give the oxidative dehydration products, 2-substituted aminopropenals 17a - d, 43, 45 and 46, respectively. Reaction of the intriguing 2-substituted amin
