Patents
Sitemap › C12 - Biochemistry; Beer; Spirits; Wine; Vinegar; Microbiology; Enzymology; Mutation or genetic engineering › C12P - Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture › C12P 17 - Preparation of heterocyclic carbon compounds with only o, n, s, se, or te as ring hetero atoms
Patents for C12P 17 - Preparation of heterocyclic carbon compounds with only o, n, s, se, or te as ring hetero atoms (13,366)
07/1991
07/31/1991EP0438813A1 A novel antibiotic, Deoxymulundocandin, a process for its production and its use as medicament
07/31/1991EP0438767A2 Process for the separation of riboflavin from a fermentation suspension
07/31/1991EP0438554A1 Nitrogenous ambruticines, process for obtaining them and their use.
07/31/1991EP0438445A1 Increased rubradirin yields
07/30/1991US5036004 Process for producing L-serine
07/30/1991CA1287005C Aerocavin and aerocyanidin - antibiotics
07/24/1991EP0437579A1 Enhancement of naphthalene dioxygenase activity during microbial indigo production
07/24/1991EP0437555A1 Process for the racemic separation of 4-aryl-2-oxo-pyrrolidine-3-carboxylic acid esters.
07/23/1991US5034389 Riboflavin and a bulking agent of yeast, mold or bacteria formed by mixing and drying
07/23/1991US5034320 Vinblastine synthesis
07/23/1991US5034224 Method and composition for treating protozoal infections
07/17/1991EP0437393A1 Process for the production and the extraction of antioxidants from a culture of microorganisms and a photobioreactor for performing the process
07/17/1991EP0437244A1 Glidobactin PF-1 peptide antitumor antibiotics
07/17/1991EP0436935A1 A novel antibiotic Alisamycin a process for its production and its use
07/16/1991US5032611 Rice plant disease prevention
07/16/1991US5032513 Biosynthesis with Mucor fungi
07/16/1991US5032512 Biosynthesis from hydrocarbons
07/13/1991CA2034101A1 Antibiotic alisamycin, a process for its production and its use
07/10/1991EP0436355A2 Process for producing 7-aminocephem compound or salts thereof
07/10/1991EP0436020A1 Immunosuppressant
07/10/1991CN1013120B Improved process for producing a-21978c derivative
07/10/1991CA2031984A1 Glidobactin pf-1 peptide antitumor antibiotics
07/09/1991US5030573 Placing with nutrients in a column to settle in lower portion forming biomass below a filter impervious to cells
07/03/1991EP0435293A2 Methods of producing optically active hydroxyesters
07/03/1991EP0435221A2 New benzanthracene compound and a process for preparing the same
07/03/1991EP0435153A2 R-(-)-1-(5-hydroxyhexyl)-3-methyl-7-propylxanthin, process for its preparation and medicines containing it
07/03/1991EP0435152A2 Process for the enantioselective preparation of (omega-1)-hydroxyalkylxanthines
07/03/1991EP0262126B1 Microbiological reduction of intermediary products of prostacyclin with a 15-ketonic group
07/02/1991US5028537 Novel antifungal substances and process for their production
07/02/1991CA1285514C Physiologically active substance fa-4283, its derivatives and production thereof
06/1991
06/28/1991CA2032972A1 Benzanthracene compound and a process for preparing the same
06/27/1991WO1991009034A1 Indolocarbazoles from saccharothrix aerocolonigenes subsp. copiosa subsp. nov. scc 1951 atcc 53856
06/26/1991EP0434035A1 Process for the production of 6-hydroxynicotinic acid
06/26/1991CN1052509A Process for preparation of optically pure diastereoisomers of tetrahydrofolate compounds
06/25/1991US5026642 Stereospecificity; renin inhibitors; reducing to secondary alcohol with microorganisms containing dehydrogenase
06/25/1991US5026640 Process for the conversion of corrinoids produced by microorganisms into cyanocorrinoids
06/25/1991US5026554 Applying or administering fungicide
06/22/1991WO1991009961A2 Novel products
06/22/1991CA2071982A1 Products
06/21/1991CA2032658A1 Process for the production of 6-hydroxynicotinic acid
06/19/1991EP0432697A2 BU-4146T antibiotic
06/19/1991EP0432441A1 Process for the preparation of optically pure diastereoisomers of tetrahydrofolate compounds
06/12/1991EP0431323A1 Antitumor antibiotic BU-3983T
06/12/1991EP0431060A1 Method of catalyzing stereochemical reactions
06/12/1991CA2031650A1 Bu-4146t antibiotic
06/11/1991US5023347 Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products
06/11/1991US5023184 Antibiotics from myxococcus
06/05/1991EP0430555A1 Process for preparing (+)- homopilopic acid
06/05/1991EP0429585A1 Cytochalasin compositions and therapeutic methods
06/05/1991EP0429454A1 Improvements relating to the control of neoplastic tissue growth
06/04/1991US5021453 3-hydroxy-3-methyl glutaryl coenzyme a; anticholesterol-antilepemic agent
06/04/1991US5021419 Novel pyrazinoxide compound of NF-1616-904 and a pharmaceutical composition containing the same
06/04/1991US5021406 2-pyranone derivative and process for production thereof
06/04/1991US5021403 Antibiotic agents
06/04/1991US5021343 Method for producing trichothecenes
05/1991
05/30/1991WO1991007396A1 Benzofuran derivative, process for preparing the same, and pharmaceutical comprising the same as active ingredient
05/29/1991EP0429333A1 Process for producing oxazopyrroloquinolines, novel oxazopyrroloquinolines, and use of oxazopyrroloquinolines
05/29/1991EP0429209A1 New antibiotic chemical compound "DC 114-C"
05/28/1991US5019504 Antitumor and anticarcinogenic agents
05/22/1991EP0428286A2 24- and 25-substituted avermectin and milbemycin derivatives
05/21/1991US5017603 Xanthomegnin, a known compound, is an antiparasitic agent
05/21/1991US5017561 Antibotic 6270B and its use as an anticoccidiosis agent and a feed additive
05/21/1991US5017495 Biosynthesis of p-cresol
05/21/1991US5017476 Method for the biocatalytic reaction of organic substances
05/16/1991WO1991006547A1 Indolizidine alkaloids
05/16/1991WO1990013634A3 Enzymes and their use in drug detection
05/15/1991EP0427680A1 Heteroatoms-containing tricyclic compounds
05/14/1991US5015662 Anthelmintic bioconversion products
05/14/1991US5015579 Production of (-)trans-2,3-epoxysuccinic acid by fermentation
05/14/1991US5015578 BMY-41950 antitumor antibiotic
05/08/1991EP0426656A2 Process for the preparation of 2-arylpropionic acids
05/08/1991EP0426557A1 Process for the preparation of 2-(3-pyridyl)-tetrahydrothiopyran-2-carbothiamide-1-(1R,2R)oxydes, the 2-(3-pyridyl)-tetrahydrothiopyran-2-carbothiamide-1-(1R,2R)oxydes and so obtained and pharmaceutical compositions containing them
05/08/1991EP0426167A2 Antitumor substance, process for preparing the same, and pharmaceutical composition containing the same
05/08/1991CN1051200A Improved process for production of a-21978c derivatives
05/07/1991US5013656 Culturing Corynebacterium
05/07/1991CA2027601A1 Antitumor antibiotic bu-3983t
05/07/1991CA1283874C Process for inducing secondary metabolite production in plant cultures and means therefor
05/02/1991WO1991005804A1 Catalysis of diels-alder reactions, methods and catalysts therefor
05/02/1991EP0425001A1 Natural delta-lactones and process of the production thereof
05/02/1991EP0424928A1 Production of podophyllotoxins using podophyllum
05/01/1991WO1991006628A1 Expression of bacterial hemoglobin and enhancement of expression of cloned and native products in streptomyces
05/01/1991CA2072115A1 Expression of bacterial hemoglobin and enhancement of expression of cloned and native products in streptomyces
05/01/1991CA2028985A1 Process for the preparation of (pyridyl-3)-2 tetrahydrothiopyranecarbothioamide-2-oxydes-1-(1r,2r), (pyridyl-3)-2 tetrahydrothiopyranecarbothioamide-2-oxydes-1-(1r,2r) thus obtained and pharmaceutical compositions containing the
05/01/1991CA2028763A1 24-and 25-substituted avermectin and milbemycin derivatives
04/1991
04/30/1991US5011952 Phospholipase A2 inhibitor
04/27/1991CA2028523A1 Production of podophyllotoxins using podophyllum
04/25/1991DE3935066A1 Treatment of prophylaxis of polio and herpes virus infections - comprises admin. of 3-(di:hydro-5-(hydroxy-1H- indolyl-2-oxo-3H-pyrrolidene)-di:hydro-2H-indole
04/24/1991EP0424064A1 Chiral azabicyloheptanone and a process for their preparation
04/23/1991US5009999 Aerobic process using Pseudomonas
04/17/1991CN1012376B Process for producing 10-hydroxy camptothecine by biotransformation
04/16/1991US5008191 Pesticides, insecticides, anthelmintics, antibiotics
04/09/1991US5006466 Antibiotics; antitumor, antiulcer agents; analgesics
04/03/1991EP0420470A2 Naphthopyran compounds
04/03/1991EP0419988A1 Enzymatic enantioselective synthesis of S(-) and R(+) esters of 4-hydroxy-1-cyclopentenone and its 2',2'-dimethyl-1',3'-propandiol ketal
03/1991
03/27/1991EP0419026A1 Process and means for producing diol and lactone
03/26/1991WO1991004337A1 ENANTIOSELECTIVE, ENZYMATIC SYNTHESIS OF S(-) and R(+) ESTERS OF 4-HYDROXY-CYCLOPENTENE-1-ONE AND ITS 2',2'-DIMETHYLPROPANE-1',3'-DIOL-KETAL
03/26/1991US5003056 Antibiotic NK86-0279, process for production of the same and application of the same
03/26/1991US5002959 Antitumor agents, fungicides
03/26/1991CA2066689A1 Enantioselective, enzymatic synthesis of s(-) and r(+)esters of 4-hydroxy-cyclopentene-1-one and its 2'-2'-dimethylpropane-1,3'-diol-ketal
03/20/1991EP0417953A1 Process for producing thiamine phosphates
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