DECARBONYLATION OF ALPHA-TERTIARY AMINO ACIDS - APPLICATION TO THE SYNTHESIS OF POLYHYDROXYLATED INDOLIZIDINESDppa-promoted decarbonylationChirospecific synthesisEasy entry(+)-anatoxinAnalogsAlkaloidsAnatoxinThe decarbonylation of the bicyclic alpha-tertiary amino acid 16 easily obtained from D,L-pipecolic ...
A method for producing an α-aminonitrile, is disclosed, which method includes the step of oxidizing a tertiary amine with oxygen by using a transition metal catalyst in the presence of a cyanide. The α-aminonitrile thus obtained can be easily converted to amino acids as well as various ...
Method of production of amino acids with alpha-persistent tertiary hydrocarbon residues or their nitrilesPreparation of amino acetic acid derivatives with a tertiary hydrocarbon residue in the alpha position comprises subjecting the corresponding substituted malonic acid monoamide, or its ester or nitrile...
(in A1) substituents, and Z represents a C 2-8 tertiary amino group, which may be in the form of a mono- or bi-cyclic heterocyclic radical having at most 8 carbon atoms the nucleus of which may contain an O atom or a second N atom optionally substituted by a C 1-4 alkyl radical...
By employing an easily available, exceptionally simple sulfur-olefin ligand, a highly enantioselective rhodium-catalyzed arylation of cyclic N-sulfonyl α-ketimino esters with arylboronic acid...
PROCESS FOR OBTAINING TERTIARY ALPHA-(AMINO-PHENY)-ALIPHATIC CARBOXYLIC ACIDSCARNERY R.W.J.DE STEVENS G.
PROCESS FOR OBTAINING TERTIARY ALPHA-(AMINO-PHENYL)-ALIPHATIC CAROXYLIC ACIDSCARNEY R.W.J.DE STEVENS G.
A method for producing an &agr;-aminonitrile, is disclosed, which method includes the step of oxidizing a tertiary amine with oxygen by using a transition metal catalyst in the presence of a cyanide. The &agr;-aminonitrile thus obtained can be easily converted to amino acids as well as ...
Process for the preparation of aminoacetic acids substituted at position alpha by a tertiary hydrocarbon chain or their nitriles1. A process for the preparation of an aminoacetic acid with a tertiary hydrocarbon radical in the α-position, or a nitrile thereof, characterized in that a malonic ...
PROCESS FOR OBTAINING TERTIARY ALPHA-(AMINO-PHENYL)-ALIPHATIC CARBOXYLIC ACIDSCARNEY R.W.J.DE STEVENS G.