Chemistry is traditionally divided into organic and inorganic chemistry. name: 4,4-Dimethyldihydrofuran-2,3-dione, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 13031-04-4
Process for the asymmetric hydrogenation of carbonyl compounds obtained
The asymmetric hydrogenation of carbonyl compounds is carried out in the presence of at least one transition metal complex MZq(M=metal of group VIII of the Periodic Classication; Z=ligand selected among the atoms and the molecules which may complex the metal M; and q=degree of corrdination of M) and of at least one chiral phosphorous-containing ligand having formula (I), wherein R is hydrocarbonated radical (alkyl, cycloalkyl and aryl); R1 is H, hydrocarbonated radical or PR2 ; R2 is H or hydrocarbonated radical R3,R4, necessarily different, are H and optionally functionalized hydrocarbonated radicals; R5 and R6 are H and optionally functionalized hydrocarbonated radicals; one of the radicals R3 and R4 possibly carrying a function – OPR2 or NPR2, R5 and R6 being in this case H when R1 is PR2 ; R2 and R3 and the atoms of N and C which cary them respectively forming a heterocycle; or R2 and R5, the atoms of N and C which carry them respectively and the intermediate C atom possibly forming a heterocycle. STR1
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Reference£º
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem