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)
11/1991
11/28/1991WO1991017982A1 Novel compound matristatin
11/27/1991EP0458259A2 Novel antibiotic and process for preparing the same
11/21/1991EP0457517A1 Avermectin derivatives with a spacer inserted between the disaccharide and the aglycone useful as antiparastic agents
11/19/1991US5066817 Bactericides, Antitumor Agents
11/19/1991US5066586 Process for preparation of novel angiotensin II antagonists
11/15/1991CA2042418A1 Avermectin derivatives with a spacer inserted between the disaccharide and the aglycone useful as antiparasitic agents
11/13/1991EP0456510A1 Antihypertensive products, a process for their preparation and pharamaceutical compositions containing them
11/13/1991EP0456474A1 UCF1 compounds derivatives thereof and processes for their preparation
11/12/1991US5064856 Novel hmg-coa synthase inhibitors
11/12/1991US5064855 Acid polycyclic ether antibiotic
11/12/1991US5064761 Process for the manufacture of 4-acylamino-3-hydroxybutyric acid esters
11/12/1991CA2041763A1 Microbial transformation process for antihypertensive products
11/06/1991EP0455101A2 Process for the synthesis of glycoconjugates by glycosidase catalysis
11/06/1991EP0192713B1 Xenocoumacins
11/06/1991CN1055954A Process for biological production of organic acids
10/1991
10/31/1991WO1991009961A3 Novel products
10/30/1991EP0454463A2 Process for producing epoxyalcohols of high optical purity
10/30/1991CN1055738A Gibberellin extraction process
10/29/1991US5061695 Aromatic antibiotic
10/27/1991CA2039857A1 Process for producing epoxyalcohols of high optical purity
10/23/1991EP0452683A2 Streptomyces antitumor compounds and process for preparing the same
10/22/1991US5059531 Process for the preparation of pilocarpine from in vitro cultures of pilocarpus
10/22/1991CA1291129C Mono- and diepoxide derivatives of delta__-ll-f28249 compounds
10/22/1991CA1291128C 23-deoxy-27-halo(chloro or bromo) derivatives of ll-f28249 compounds
10/17/1991WO1991013066A3 METHOD FOR PREPARING CIS-β-PHENYLGLYCIDIC-(2R,3R) ACID
10/16/1991EP0451547A1 1,4,8-Triazacyclotridecane derivatives having prolyl endopeptidase inhibiting activity
10/16/1991EP0451486A1 Antibiotic GE 2270 factors B1, B2, C1, C2, D1, D2,E and T
10/16/1991EP0451273A1 Polyether antibiotic mi215-nf3, production thereof, and drug for treating fowl coccidiosis
10/15/1991US5057607 3-amino-2(ethyl-2-furanyl)-4-oxo azetidine acetic acids or esters are reacted with substituted acids or esters in presence of penicillin G amidase
10/15/1991US5057536 Macrolide compounds
10/15/1991US5057498 Antiparastic agents
10/09/1991EP0450812A1 Antihypercholesterolemics
10/09/1991EP0450344A2 Method for the production of pilocarpin from vitro-cultures of Pilocarpus
10/09/1991CN1055201A Catalytic oxydation of low carbon hydrocarbon by fixed cells method
10/08/1991US5055487 Novel anti-fungal compounds
10/08/1991CA1290274C Substance 4181-2 and its derivatives
10/08/1991CA1290270C Enzymatic preparation of 3',4'-anhydrovinblastine
10/02/1991EP0449724A2 Microorganisms and process for producing biotin using them
10/02/1991EP0448940A2 Process for the preparation of mannosyl teicoplanin derivatives and mannosyl teicoplanin aglycone
10/01/1991US5053507 Optically active pyrimidines derivatives
10/01/1991US5053499 2',3'-dideoxy purine nucleoside
10/01/1991US5053425 Novel anti-fungal compounds
10/01/1991US5053329 Process for preparation of novel angiotensin II antagonists
09/1991
09/25/1991EP0448393A1 Antihypercholesterolemics
09/25/1991EP0448392A2 Xanthomegnin, a known compound, is an antiparasitic agent
09/25/1991EP0448355A2 Antibiotic agents
09/25/1991EP0448353A2 Lipopeptide compounds
09/25/1991EP0448301A2 Antibiotic agents
09/25/1991EP0431060A4 Method of catalyzing stereochemical reactions
09/24/1991CA2038819A1 Process for the preparation of pilocarpine from in vitro cultures of pilocarpus
09/23/1991CA2038509A1 Bu-4164e - a and b, prolyl endopeptidase inhibitors
09/22/1991CA2038517A1 Squalene synthetase inhibitors
09/22/1991CA2038496A1 Xanthomegnin, a known compound, is an antiparasitic agent
09/22/1991CA2038450A1 Squalene synthetase inhibitors
09/20/1991CA2038532A1 Antibiotic agents
09/20/1991CA2038525A1 Lipopeptide compounds
09/20/1991CA2038495A1 Antibiotic agents
09/19/1991WO1991013887A1 Compound tan-1251, its derivatives, their production and use
09/19/1991CA2077672A1 Compound tan-1251, its derivatives, their production and use
09/18/1991EP0447186A1 N-acylated cyclohexapeptide compounds
09/18/1991EP0446771A2 Esterase from Serratia and process for preparing the same
09/17/1991US5049546 Fungicides
09/17/1991US5049495 Streptomyces biosynthesis of lysocellin
09/13/1991CA2037957A1 N-acylated cyclohexapeptide compounds
09/11/1991EP0445460A1 A microorganism for selective production of a specific component of avermectin and a method for selective production thereof
09/11/1991EP0368953A4 Method and microorganism for the production of faeriefungin
09/10/1991US5047344 Induction of settlement and metamorphosis in Crassostrea virginica by melanin-synthesizing bacteria and ammonia, and metabolic products of said bacteria
09/10/1991US5047339 Adsorption with lipids; separation
09/10/1991US5047338 Polyester Antibiotic preparation
09/05/1991WO1991013066A2 METHOD FOR PREPARING CIS-β-PHENYLGLYCIDIC-(2R,3R) ACID
09/04/1991EP0444640A2 Process for biological production of organic acids
09/04/1991EP0444503A2 Staurosporine fermentation process
09/03/1991US5045458 Antibiotics PB-6042S
09/03/1991US5045457 Novel compounds
08/1991
08/28/1991EP0443654A2 Antibiotic agent
08/28/1991EP0443406A2 Process for enzymatic racemate separation of pantolacton
08/28/1991EP0443211A1 Microbiological production of indole
08/28/1991EP0443063A1 Pseudomonas lipase gene, vectors for the expression thereof, production of the lipase by transformed microorganisms and uses of this enzyme
08/28/1991CN1013687B Tricycle compounds, a process for their production and a pharmaceutical composition containing the same
08/27/1991US5043354 Pharmaceutically useful 5-hydroxy-2,3-dihydro-benzofurans and 5-hydroxy-benzofurans
08/27/1991US5043273 Phosphorylated glycosidase inhibitor prodrugs
08/21/1991EP0442783A1 Elfamycin compound, process for its preparation and its use
08/21/1991EP0442430A2 Microbiological oxidation of methyl groups in heterocyclic compounds
08/21/1991EP0442003A1 Antibiotic LL-E 19085 alpha
08/21/1991CA2036669A1 Staurosporine fermentation process
08/21/1991CA2036234A1 Process for the preparation of indole on the basis of a tryptophan containing starting medium, the prepared indole perfume compositions and flavourings respectively containing theindole in question as well as products flavoured or perfumed he ewith
08/20/1991US5041374 Separation from lipid agglomerates by salt formation
08/14/1991EP0441689A1 Process for enzymatic preparation of melanin pigment and its use in cosmetics
08/14/1991EP0440723A1 Process for preparing optically active glycidate esters.
08/14/1991EP0440657A1 Process for producing tocopherols.
08/14/1991CA2036120A1 Antibiotic agent
08/09/1991CA2035945A1 Elfamycin, process for the preparatioin and use thereof
08/07/1991EP0439779A2 Process for producing optically active hydroxy lactones
08/07/1991CN1053612A Removal of riboflavin fermentation suspensions
08/06/1991US5037993 Sulfonyl derivatives of an antibiotic substance isolated from streptomyces
08/06/1991US5037759 Oxidation of substituted phenoxy propane by bacteria
08/06/1991US5037751 Ability for stereoselective hydrolysis of naproxen ester; gene encoded enzyme
08/06/1991US5037750 Method for producing antibodies which catalyze chemical reactions
08/06/1991US5037747 Resolution of 2rs-hydroxy substituted ester with selective pseudomonas lipase
08/06/1991CA2035516A1 Process for preparing a melanin based pigment by enzymatic means and its use in the making of cosmetics
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