912259-11-1Relevant articles and documents
Novel crown ether functionalized imidazolium-based acidic ionic liquid catalyzed synthesis of pyrazole derivatives under solvent-free conditions
Patil, Dayanand,Chandam, Dattatraya,Mulik, Abhijeet,Jagdale, Suryabala,Patil, Prasad,Deshmukh, Madhukar
, p. 6843 - 6858 (2015/08/18)
Abstract An innovatively designed novel crown ether functionalized imidazolium-based reusable acidic ionic liquid [crown ether MIm] [HSO4] has been efficiently implemented for the synthesis of pyrazole derivatives using various substituted enaminones, hydrazine hydrate and phenyl hydrazine under solvent-free conditions. Structural novelty and task efficiency of the catalyst, high yields of desired products, greener approach attributing high atom economy and solvent-free conditions render this protocol suitable to cope with the current demand in contemporary organic chemistry. The inventive idea of utilizing crown ether functionalized ionic liquid as a catalyst was for the first time demonstrated in this protocol.
TRICYCLIC COMPOUNDS AS ALLOSTERIC MODULATORS OF METABOTROPIC GLUTAMATE RECEPTORS
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, (2012/02/02)
The present invention describes and claims compounds of the Structural Formula (I), Structural Formula (II), or Structural Formula (III). In Formula (I), R1, R2, R3 and R3' are -H or methyl, or R3 and R3' taken together form a double bond, or R3' is -H and R2 and R3 taken together form a spiro-cyclopropyl substituent, R4 is -H or -F, and R5 is -H, methyl, -Cl or -Br. In Formula (II), R1 is -H, ethyl-, isopropyl-, cyclopropyl-, methyl- or methoxy-, R4 is -H or -F, and "Y" is: (a) -CH2-; (b) -CR6H-O-CR7R8-, wherein R6, R7, and R8 are independently -H or methyl; (c) -CR6H-N(R9)-CR7R8-, wherein R6, R7, and R8 are independently -H or methyl; (d) -CH2-C(R9)(R10)-C(R7)(R8)-, wherein R7, R8, R9 and R10 are independently -H or -methyl, or both R7 and R8 are -F, R9 and R10 are independently -H or -methyl, or both R9 and R10 are -F, or R9 and R10 taken together are (O=), which together with the carbon to which they are attached forms a carbonyl group.
TRICYCLIC COMPOUNDS AS ALLOSTERIC MODULATORS OF METABOTROPIC GLUTAMATE RECEPTORS
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, (2012/02/02)
The present invention describes and claims compounds of the Structural Formula I, Structural Formula II, or Structural Formula III: wherein R1, R2, R3 and R3' are -H or methyl, or R3 and R3 taken together form a double bond, or R3' is -H and R2 and R3 taken together form a spiro-cyclopropyl substituent, R4 is -H or -F, and R5 is -H, methyl, -CI or -Br, Formula II wherein R1 is -H, ethyl-, isopropyl-, cyclopropyl-, methyl- or methoxy-, R4 is -H or -F, and "Y" is: (a) -CH2-; (b) -CR6H-0-CR7R8-, wherein R6, R7, and R8 are independently - H or methyl; (c) -CR6H-N(R9)-CR7R8-, wherein R6, R7, and R8 are independently -H or methyl; (d) -CH2-C(R9)(R10)-C(R7)(R8)-, wherein R7, R8, R9 and R10 are independently - H or -methyl, or both R7 and R8 are -F, R9 and R10 are independently -H or -methyl, or both R9 and R10 are -F, or R9 and R10 taken together are (0=), which together with the carbon to which they are attached forms a carbonyl group.
HETEROTRICYCLIC COMPOUNDS AS POSITIVE ALLOSTERIC MODULATORS OF METABOTROPIC GLUTAMATE RECEPTORS
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Page/Page column 26-27, (2010/08/04)
The present invention relates to novel compounds of Formula (I), wherein wherein X1, X2, Y, Z1, Z2, Z3, M and (A)m are defined as in Formula (I); invention compounds are modulators of metab
Synthesis and structural study of tetrahydroindazolones
Claramunt, Rosa M.,López, Concepción,Pérez-Medina, Carlos,Pinilla, Elena,Torres, M. Rosario,Elguero, José
, p. 11704 - 11713 (2007/10/03)
Multinuclear magnetic resonance spectroscopy allowed us to characterize four 1(2),5,6,7-tetrahydro-4H-indazol-4-one derivatives (1-4) and establish the most stable tautomer in each case. The crystal structure of 6,6-dimethyl-1(2),5,6,7-tetrahydro-4H-indaz
Benzodipyrazoles: A new class of potent CDK2 inhibitors
D'Alessio, Roberto,Bargiotti, Alberto,Metz, Suzanne,Brasca, M. Gabriella,Cameron, Alexander,Ermoli, Antonella,Marsiglio, Aurelio,Polucci, Paolo,Roletto, Fulvia,Tibolla, Marcellino,Vazquez, Michael L.,Vulpetti, Anna,Pevarello, Paolo
, p. 1315 - 1319 (2007/10/03)
The synthesis and the preliminary expansion of this new class of CDK2 inhibitors are presented. The synthesis was accomplished using a solution-phase protocol amenable to rapid parallel expansion and suitable to be scaled-up in view of possible lead devel
A Novel Amino Protection-Deprotection Procedure and Its Application in Solid Phase Peptide Synthesis
Bycroft, Barrie W.,Chan, Weng C.,Chhabra, Siri Ram,Teesdale-Spittle, Paul H.,Hardy, Paul M.
, p. 776 - 777 (2007/10/02)
N-4,4-Dimethyl-2,6-dioxocyclohexylidenemethyl (Dcm) amino acids are readily prepared and the protecting group can be removed with hydrazine at room temperature; their potential in solid phase peptide synthesis is illustrated.