Abstract: The present invention relates to a crystalline metal organic framework which comprises repeating units of formula (RR)-(IA) or (SS)-(IA) or (RS)-(IA) or (SR)-(IA); or alternatively of formula (RR)-(IB) or (SS)-(IB) or (RS)-(IB) or (SR)-(IB) and a composition containing it. It also relates to processes for their preparation and their uses as a separation agent and as a catalyst.

Abstract: The photoreactor comprises at least one housing (11) for at least one reaction vessel and at least one light source for lighting said at least one reaction vessel, and the photoreactor comprises: a first module (1) provided with said at least one housing (11) for at least one reaction vessel and comprising a cooling/heating circuit (15) for regulating the temperature of said at least one reaction vessel; a second module (2) provided with said at least one light source; and a thermal insulating layer (5) placed between the first module (1) and the second module (2). It improves reproducibility of the reactions by temperature and light intensity control.

Abstract: The photoreactor comprises at least one housing (11) for at least one reaction vessel and at least one light source for lighting said at least one reaction vessel, and the photoreactor comprises: a first module (1) provided with said at least one housing (11) for at least one reaction vessel and comprising a cooling/heating circuit (15) for regulating the temperature of said at least one reaction vessel; a second module (2) provided with said at least one light source; and a thermal insulating layer (5) placed between the first module (1) and the second module (2). It improves reproducibility of the reactions by temperature and light intensity control.

Abstract: The present invention relates compounds useful as reagents for the diazomethylation reaction, their preparation and the use thereof as reagents in a method for the diazomethylation reaction of aromatic substrates. It relates in particular to a compound of formula (I) wherein E is an electron withdrawing group.

Abstract: Compounds are of the formula (Ia), (Ib), (Ic), or are stereoisomers thereof, wherein: R1 is hydrogen, (C1-C20)alkyl; (C3-C20)alkenyl; (C3 C20)alkynyl; (C1-C6)alkyl-O—; (C3-C20)cycloalkyl; (C1 C20)haloalkyl; (C6-C20)aryl optionally substituted; (C6-C20)heteroaryl optionally substituted; R2 and R2? are hydrogen; (C1-C20)alkyl; (C1-C6)alkyl-O—; (C1-C6)haloalkyl; halogen; cyano; and nitro; Z1 to Z4 are diradicals of formula (III) wherein A1 and A2 are O— or NR3-, wherein R3 is selected from the group consisting of hydrogen and (C1-C20)alkyl; and G is (C1-C6)alkyl; —P(?S)R5-; —P(?O)R4; —P(?O)(OR4)-; —P(?O)(NR6R7)-; —S(?O)2-; S(?O)—; or —C(?O)—; and Y1 to Y4 are (C1-C8)alkyl; (C3-C7)cycloalkyl; (C6-C20)aryl optionally substituted; or (C6-C20)heteroaryl optionally substituted; and FG1 and FG2 are H, OH, or NHR8.

Abstract: Provided herein are nickel(O) catalysts that are stable when exposed to air and can be used to catalyze the formation of a C—C, C—O, or C—N bond.

Abstract: Disclosed is a compound of formula (I) in which R1-R5 and X1 are as described herein. Also provided are methods of using a compound of formula (I), including a method of treating cancer and a method of treating diabetes.

Abstract: Disclosed is a compound of formula (I) in which R1-R5 and X1 are as described herein. Also provided are methods of using a compound of formula (I), including a method of treating cancer and a method of treating diabetes.

Abstract: A process for the preparation of methanol having the process a carbon oxides per-pass conversion equal to or higher than 65%, and a selectivity to methanol formation equal to or higher than 75% by submitting carbon dioxide, carbon monoxide or a mixture of carbon monoxide and carbon dioxide to a hydrogenation reaction using a specific metal compound and specific reaction conditions of temperature, pressure, space velocity and a specific range of molar ratio of hydrogen to carbon dioxide, of hydrogen to carbon monoxide, or of hydrogen to the mixture of carbon monoxide and carbon dioxide. It further relates to a process for converting the methanol obtained into dimethyl ether or into a mixture of (C2-C8)alkene and (C1-C8)alkane.

Abstract: A process for the preparation of methanol having the process a carbon oxides per-pass conversion equal to or higher than 65%, and a selectivity to methanol formation equal to or higher than 75% by submitting carbon dioxide, carbon monoxide or a mixture of carbon monoxide and carbon dioxide to a hydrogenation reaction using a specific metal compound and specific reaction conditions of temperature, pressure, space velocity and a specific range of molar ratio of hydrogen to carbon dioxide, of hydrogen to carbon monoxide, or of hydrogen to the mixture of carbon monoxide and carbon dioxide. It further relates to a process for converting the methanol obtained into dimethyl ether or into a mixture of (C2-C8)alkene and (C1-C8)alkane.