Patents
Patents for C07B 51 - Introduction of protecting groups or activating groups, not provided for in groups (403)
09/2006
09/05/2006US7102023 Halogenated benzyl halides; protecting groups for the synthesis of complex molecules, useful in synthesizing an oligosaccharide, saccharides
08/2006
08/31/2006DE19713970B4 Epothilone-Synthesebausteine II - Prenylderivate Epothilones synthesis building blocks II - Prenylderivate
08/22/2006US7094912 Desilylation of 4-silyloxytetrahydropyran-2-ones, by triethylamine trihydrofluoride in an organic solvent; no additional impurities
08/16/2006CN1269819C Synthesis of temozolomide and analogs
08/08/2006US7087751 Diazotizing 5-amino-1H-imidazole-4-carboxamide derivative having divalent protecting group on amide that is readily removable by hydrolysis or hydrogenolysis
08/03/2006US20060172327 Sequencing of surface immobilized polymers utilizing microflourescence detection
08/03/2006DE102005003475A1 Neuartige Anbindung organischer Moleküle an eine Siliziumoberfläche zur Herstellung von Speicherelementen mit organischen Bestandteilen Novel attachment of organic molecules on a silicon surface for the production of memory elements with organic ingredients
07/2006
07/12/2006CN1800184A Synthesis of temozolomide and analogs
06/2006
06/29/2006US20060141511 Chemical amplification for the synthesis of patterned arrays
06/15/2006US20060128957 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof
06/13/2006US7060850 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof
06/06/2006US7056666 Labeling a terminal monomer and scanning to determine the position; can analyze hundreds of macromolecules simultaneously
06/01/2006DE102004056980A1 Verfahren zur ortsspezifischen Synthese von Biopolymeren auf festen Trägern A method for site-specific synthesis of biopolymers on solid supports
05/2006
05/30/2006US7053222 Semi-synthetic process for the preparation of N-debenzoylpaclitaxel
05/18/2006US20060106253 Process for the preparation of iopamidol and the new intermediates therein
05/02/2006US7038055 Sulfone derivatives and their use in the treatment of autoimmune diseases and allergies
04/2006
04/25/2006US7034183 Using amide of a triiodobenzene compound as chemical intermediate
04/06/2006DE102004047921A1 Polyisocyanate mit sterisch anspruchsvollen Phenolen blockiert Blocked polyisocyanates with bulky phenols
01/2006
01/24/2006US6989450 Aldol condensation of a ketonic compound containing free or protected alcohol group with a acid or or metallic salt group containing compound to form intermediate, performing macrolactonizing of the intermediate
12/2005
12/28/2005EP1495011B1 A semi-synthetic process for the preparation of n debenzoylpaclitaxel
11/2005
11/03/2005WO2005103280A1 Process for producing optically active 4-(n-protected amino)-1-alken-3-ol and process for producing therefrom 3-benzamido-2-hydroxycarboxylic acid or salt thereof
11/02/2005EP1334084A4 Phosgene-free process for preparing carbamates
10/2005
10/19/2005EP1586578A2 Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers
10/06/2005US20050222241 Pyrrole derivative and process for producing the same
09/2005
09/29/2005US20050214828 Using ultrviolet laser excitation and fluorescence to identify regions of hybridization along microarray comprised of immobilized polynucleotides; gene expression analysis; genomics
09/15/2005US20050203317 Removing the allyl group in a single reaction step with a high reaction rate and a high functional group selectivity without using any additive; cyclopentadienyl ruthenium (II) complex; catalytic dehydration type reaction of alcohols using the ruthenium complex
09/10/2005CA2500136A1 Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers
08/2005
08/18/2005US20050182263 Desilylation of 4-silyloxytetrahydropyran-2-ones, by triethylamine trihydrofluoride in an organic solvent; no additional impurities
08/16/2005US6930200 Mono-and di-substituted alpha-amino acid derivatives useful as raw materials for pharmaceutical and agro-chemical products
08/10/2005EP1487814B1 Process for the preparation of 4-oxytetrahydropyran-2-ones
07/2005
07/27/2005EP1557419A1 Pyrrole derivative and process for producing the same
07/27/2005EP1414384A4 Synthesis of epothilones and relates analogs
07/27/2005CN1646517A Process for the preparation of 4-oxytetrahydropyran-2-ones
07/27/2005CN1646512A A semi-synthetic process for the preparation of N debenzoylpaclitaxel
07/13/2005EP1448529B1 Sulfone derivatives suitable for the treatment of autoimmune diseases and allergies
07/07/2005US20050148027 Very large scale immobilized polymer synthesis
07/07/2005US20050148002 Sequence of surface immobilized polymers utilizing microfluorescence detection
06/2005
06/16/2005US20050131227 Synthesis of temozolomide and analogs
06/16/2005US20050130993 Synthesis and purification of valacyclovir
06/15/2005EP1027326B1 Method for functionalizing a phenolic compound bearing an electron-donor group
06/09/2005US20050124830 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
05/2005
05/04/2005CN1612878A Synthesis and purification of valacyclovir
04/2005
04/27/2005EP1144360B1 A method for the synthesis of compounds of formula 1 and derivatives thereof
04/19/2005US6881855 Protecting a functional group of an organic compound containing minimally two carbon atoms by reacting with silane compound
03/2005
03/31/2005US20050070572 Sulfone derivatives and their use in the treatment of autoimmune diseases and allergies
03/03/2005US20050049297 Semi-synthetic process for the preparation of N-debenzoylpaclitaxel
02/2005
02/15/2005US6855849 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
02/01/2005US6849737 Synthesis and purification of valacyclovir
01/2005
01/12/2005EP1495011A1 A semi-synthetic process for the preparation of n debenzoylpaclitaxel
12/2004
12/23/2004US20040259814 Reacting solamargine with monosaccharide
12/22/2004EP1487814A1 Process for the preparation of 4-oxytetrahydropyran-2-ones
11/2004
11/25/2004WO2004007407A3 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof
11/16/2004US6818800 Methods for providing low-molecular radicals, radical-carrying molecules, a polymerization catalyst containing them and processes for polymerization and polymers produced thereby
11/04/2004US20040220389 Protecting groups useful in the synthesis of polysaccharides, natural products, and combinatorial libraries
11/04/2004DE10315772A1 Chemische Verbindung und Verfahren für den intramolekularen Energietransfer zur Abspaltung von labilen funktionellen Gruppen aus chemischen Verbindungen Chemical compound and method for the intramolecular energy transfer to the cleavage of labile functional groups from chemical compounds
10/2004
10/21/2004WO2004089529A1 Method for the intramolecular energy transfer for the cleavage of labile functional group from biomolecules and the protected biomolecules
10/14/2004US20040203056 Chemical amplification for the synthesis of patterned arrays
10/13/2004EP1465894A2 Synthesis and purification of valacyclovir
10/06/2004CN1534007A Method of large scale preparing single protected cis-1,4-butenediol derivative
09/2004
09/02/2004US20040171595 new process for the preparation of a key intermediate
08/2004
08/25/2004EP1448529A1 Sulfone derivatives and their use in the treatment of autoimmune diseases and allergies
08/04/2004CN1160308C Deallylation reagent and deallylation method using said reagent
08/03/2004US6770436 Radiation-activated catalysts (racs), autocatalytic reactions, and protective groups are employed to achieve a highly sensitive, high resolution, radiation directed combinatorial synthesis of pattern arrays of diverse polymers
07/2004
07/15/2004US20040138487 Bisphospholane ligands with metals for hydrogenation catalysts for enantiomorphs
07/01/2004DE10260591A1 Stepwise synthesis of biopolymer, e.g. nucleic acid, using synthons having two-stage protecting group activated by cleavage of triplet-sensitized and/or labeled photoactivatable group to allow quality control
06/2004
06/08/2004US6747143 Methods for polymer synthesis
05/2004
05/26/2004EP1421100A1 Chemical synthesis of solamargine
05/06/2004EP1414384A2 Synthesis of epothilones and relates analogs
04/2004
04/29/2004US20040082812 Using amide of a triiodobenzene compound as chemical intermediate
04/15/2004US20040073054 Using a fluorinated phenyl compound containing electrophilic and nucleophilic groups
04/07/2004EP1404701A1 Method for preparing oestrogen derivatives
04/07/2004CN1487941A Synthesis of temozolomide and analogs
03/2004
03/25/2004US20040059149 Method for the synthesis of compounds of formula 1 and derivatives thereof
03/11/2004WO2004020392A1 METHOD OF CONVERTING BOROXAZOLIDONE INTO CORRESPONDING α-AMINO ACID BY RING OPENING WITH PROTECTIVE-GROUP ELIMINATION
03/10/2004EP1395551A2 Hydroxy alkyl amine derivatives as beta-secretase inhibitors and their use for the treatment of alzheimer's disease and similar diseases
02/2004
02/25/2004CN1478068A Process for preparation of iopamidol and new intermediates therein
02/19/2004WO2002030356A3 Synthesis of epothilones and relates analogs
02/17/2004US6693178 Protecting groups useful in the synthesis of polysaccharides, natural products, and combinatorial libraries
02/12/2004US20040029115 Labeling a terminal monomer and scanning to determine the position; can analyze hundreds of macromolecules simultaneously
02/10/2004US6689915 As catalysts for use in asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds
01/2004
01/22/2004WO2004007407A2 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof
01/15/2004WO2004005297A1 Pyrrole derivative and process for producing the same
12/2003
12/25/2003US20030235853 Solid phase synthesis; for drug screening
12/09/2003US6660234 Generation of preferential nucleotide sequences on preferential substrate; obtain substrate, expose to activator, remove terminal groups, recover biopolymer
12/09/2003CA2051217C Process for the chemical synthesis of oligonucleotides
11/2003
11/20/2003WO2003041647A3 Synthesis and purification of valacyclovir
11/13/2003WO2002098849A3 Hydroxy alkyl amine derivatives as beta-secretase inhibitors and their use for the treatment of alzheimer’s disease and similar diseases
11/11/2003US6646243 Fixing biopolymers to substrate; obtain substrate, incubate with nucleotide sequences, expose to activator, recover product
10/2003
10/23/2003WO2003087077A1 A semi-synthetic process for the preparation of n­ debenzoylpaclitaxel
10/22/2003EP1353924A1 Synthesis of temozolomide and analogs
10/22/2003EP1353899A1 A process for the preparation of iopamidol and the new intermediates therein
10/07/2003US6630308 Generating preferential amino acid sequences on substrate; obtain substrate, deblock, expose to amino acids, recover preferential particles
10/02/2003WO2003080591A1 Process for the preparation of 4-oxytetrahydropyran-2-ones
09/2003
09/25/2003US20030181690 Protecting groups useful in the synthesis of polysaccharides, natural products, and combinatorial libraries
09/04/2003US20030166717 Substituted amide compound containing hydroxy and amino groups; useful for treating Alzheimer's disease and other similar diseases
08/2003
08/27/2003CN1438981A Process for preparation of R-1-(aryloxy) propan-2-oL
08/14/2003US20030153757 Synthesis and purification of valacyclovir
08/13/2003EP1334084A2 Phosgene-free process for preparing carbamates
06/2003
06/19/2003US20030114613 Releasing from a chemical stable perfluoroalkyl-based radical; polymerization initiators
06/05/2003WO2003045922A1 Sulfone derivatives and their use in the treatment of autoimmune diseases and allergies
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