98974-04-0Relevant academic research and scientific papers
COMBINATION TREATMENTS COMPRISING ADMINISTRATION OF 1H-PYRAZOLO[4,3-B]PYRIDINES
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Page/Page column 119, (2019/07/19)
The present invention provides 1H-pyrazolo[4,3-b]pyridin-7-amines of formula (I) as PDE1 inhibitors together with a second compound useful in the treatment of a neurodegenerative disorder and their combined use as a medicament, in particular for the treatment of neurodegenerative and/or cognitive disorders.
COMBINATION TREATMENTS COMPRISING ADMINISTRATION OF 1H-PYRAZOLO[4,3-B]PYRIDINES
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Page/Page column 115-116, (2019/07/19)
The present invention provides 1H-pyrazolo[4,3-b]pyridin-7-amines of formula (I) as PDE1 inhibitors together with a second compound which compound is useful in the treatment of a psychiatric disorder and their combined use as a medicament, in particular for the treatment of psychiatric and/or cognitive disorders.
1H-PYRAZOLO[4,3-B]PYRIDINES AS PDE1 INHIBITORS
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Page/Page column 110, (2018/09/25)
The present invention provides 1H-pyrazolo[4,3-b]pyridin-7-amines of formula (I) as PDE1 inhibitors and their use as a medicament, in particular for the treatment of neurodegenerative disorders and psychiatric disorders.
Synthesis of cyclic N-nitrourethanes by the simultaneous oxidative desulfurization and nitration of cyclic thiourethanes
Willer, Rodney L.,Campbell, Christopher G.,Storey, Robson F.
scheme or table, p. 421 - 423 (2012/06/18)
The reaction of five- and six-membered cyclic thiourethanes with acetyl nitrate results in a vigorous reaction that generates copious amounts of red-brown nitrogen oxide fumes and produces the corresponding cyclic N-nitrourethanes in high yields (>95%). The overall yield of the cyclic N-nitrourethanes starting from an aminoalcohol using the " thiourethane" route is superior to the conventional route going through the cyclic urethane. Copyright
Synthesis of some 2-Oxazolidinones in mild conditions
Bratulescu, George
experimental part, p. 929 - 930 (2011/12/15)
One step efficient protocol for the synthesis of 2-oxazolidinones in paste chemical medium is described under microwave activation with 80 % yield.
A novel way to chiral 2-oxazolidinones: selenium-catalyzed cyclocarbonylation of 2-aminoethanols
Li, Peng,Yuan, Xiaohua,Wang, Shudong,Lu, Shiwei
, p. 12419 - 12423 (2008/03/13)
Selenium-catalyzed cyclocarbonylation of 2-aminoethanols with CO under atmospheric pressure at 30 °C afforded 2-oxazolidinones in excellent yields without any other co-catalyst. The method was then applied to the syntheses of chiral 2-oxazolidinones and no racemization was detected.
Synthesis of 2-oxazolidinones by salen-Co-complexes catalyzed oxidative carbonylation of β-amino alcohols
Liu, Jian-Ming,Peng, Xin-Gao,Liu, Jian-Hua,Zheng, Shu-Zhan,Sun, Wei,Xia, Chun-Gu
, p. 929 - 932 (2008/02/04)
2-Oxazolidinones are synthesized in high yield by oxidative carbonylation of β-amino alcohols using salen-Co(II)/NaI or salen-Co(III)-I as a catalyst and using CO as the carbonyl source. Studies of functional group compatibility using a series of substituted salen-Co(II) or salen-Co(III)-I complexes demonstrate a broad tolerance of functionality during the carbonylation reaction.
A novel and efficient (NHC)CuI (NHC = N-heterocyclic carbene) catalyst for the oxidative carbonylation of amino compounds
Zheng, Shuzhan,Li, Fuwei,Liu, Jianming,Xia, Chungu
, p. 5883 - 5886 (2008/02/09)
Oxidative carbonylation of amino compounds to prepare corresponding 2-oxazolidinones, ureas, and carbamates selectively in the presence of (NHC)CuI without any additives was firstly achieved in good yields and selectivities.
Efficient synthesis of oxazolidin-2-one via (chitosan-Schiff base)cobalt(II)-catalyzed oxidative carbonylation of 2-aminoalkan-1-ols
Liu, Jianming,Sun, Wei,Zheng, Shuzhan,Xia, Chungu
, p. 1593 - 1598 (2008/02/09)
The (chitosan-Schiff base)cobalt(II) complex was found to be an efficient catalyst for the oxidative carbonylation (CO/O2) of 2-aminoalkan-1-ols 1 to give oxazolidin-2-ones 2, in the presence of NaI. The effects of promoters, temperature, solvents, and other reaction conditions were investigated in this study.
Pd(Phen)Cl2 stabilized by ionic liquid: an efficient and reusable catalyst for biphasic oxidative cyclocarbonylation of β-aminoalcohols and 2-aminophenol
Li, Fuwei,Xia, Chungu
, p. 4845 - 4848 (2008/02/05)
Biphasic oxidative cyclocarbonylation of β-aminoalcohols and 2-aminophenol to synthesize corresponding 2-oxazolidinones were investigated in the presence of ionic liquid stabilized Pd(phen)Cl2 complex. Catalytic comparison results showed that, 1-butyl-3-methyl-imidazolium iodide salts (BMImI) can serve simultaneously as a specific stabilizer to protect the transition metal complex against deactivation, a promoter to increase the catalytic performance and a reaction medium to recycle the catalyst with unprecedented TOF value.
