In the title complex, [Cu(N(3))(2)(C(15)H(26)N(2))], the Cu atom is surrounded by the two N atoms of the chelating (-)-alpha-isosparteine ligand and another two N atoms from the two azide anions, forming a distorted CuN(4) tetrahedron. The two azide anions are terminally bound to the Cu(II) atom, and the dihedral angle between the N(sparteine)[bond]Cu[bond]N(sparteine) and N(azide)[bond]Cu[bond]N(azide) planes is 50.0 (2) degrees.
METHOD FOR PREPARING CHEMICAL COMPOUNDS OF INTEREST BY NUCLEOPHILIC AROMATIC SUBSTITUTION OF AROMATIC CARBOXYLIC ACID DERIVATIVES SUPPORTING AT LEAST ONE ELECTRO-ATTRACTIVE GROUP
申请人:Mortier Jacques
公开号:US20120316337A1
公开(公告)日:2012-12-13
Method for preparing carboxylic acid derivatives by aromatic nucleophilic substitution, in which a carboxylic acid derivative having a single carboxyl functional group, or one of the salts thereof, the carboxylic acid derivative having, in the ortho position of the carboxyl functional group, a leaving group, which is preferably an atom of fluorine or of chlorine or an alkoxy group, chiral or not, preferably a methoxy group, the carboxylic acid derivative not being substituted by an electro attractive group other than the leaving group if any; is reacted with a reactant MNu, where M is a metal and Nu is a nucleophile, chiral or not, the aromatic nucleophilic substitution reaction being carried out without a catalyst and without a step of protecting/deprotecting the acid functional group of the starting compound.
Gram-Scale Synthesis of the (−)-Sparteine Surrogate and (−)-Sparteine
作者:James D. Firth、Steven J. Canipa、Leigh Ferris、Peter O'Brien
DOI:10.1002/anie.201710261
日期:2018.1.2
An 8‐step, gram‐scale synthesis of the (−)‐sparteine surrogate (22 % yield, with just 3 chromatographic purifications) and a 10‐step, gram‐scale synthesis of (−)‐sparteine (31 % yield) are reported. Both syntheses proceed with complete diastereocontrol and allow access to either antipode. Since the syntheses do not rely on natural product extraction, our work addresses long‐term supply issues relating
The invention related to a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren Inter alia the invention relates to a process for the manufacture of a compound of the formula I.
or a salt thereof, wherein R1 as well as Act are as defined in the specification, and processes of manufacturing this compound as well as intermediates in this process.
Orechoff; Gurewitsch, Chemische Berichte, 1935, vol. 68, p. 820
作者:Orechoff、Gurewitsch
DOI:——
日期:——
BIODEGRADABLE POLYMERS, COMPLEXES THEREOF FOR GENE THERAPEUTICS AND DRUG DELIVERY, AND METHODS RELATED THERETO
申请人:INTERNATIONAL BUSINESS MACHINES CORPORATION
公开号:US20170114182A1
公开(公告)日:2017-04-27
A biodegradable cationic polymer is disclosed, comprising first repeat units derived from a first cyclic carbonyl monomer by ring-opening polymerization, wherein more than 0% of the first repeat units comprise a side chain moiety comprising a quaternary amine group; a subunit derived from a monomeric diol initiator for the ring-opening polymerization; and an optional endcap group. The biodegradable cationic polymers have low cytotoxicity and form complexes with biologically active materials useful in gene therapeutics and drug delivery.