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)
05/1981
05/26/1981US4269940 Biooxidation of aliphatic hydrocarbons to primary and secondary alcohols and ketones by methane-grown microorganisms; aerobic conditi
05/20/1981EP0028683A1 Antibiotic C-15003 PHO and production thereof
05/12/1981US4267274 Streptomyces mediterranei mutant capable of production of rifamycin B
05/12/1981US4267112 And di-o-acylates, di-n-acylates, and tetra-acylated derivatives
05/06/1981EP0028136A1 Process for the production of D-Glucosone and D-Fructose
05/06/1981EP0027882A1 Optically active cephalosporin analogs, process for their preparation and their use
05/06/1981EP0027796A1 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils.
05/05/1981US4266034 Method for producing microbial cells and use thereof to produce oxidation products
05/05/1981US4266028 Antibiotic from cultures of serratia using synthetic medium
05/05/1981US4266025 Production of N-substituted derivatives of 1-desoxy-nojirimycin
04/1981
04/28/1981US4264736 Antibiotic 890A10
04/28/1981US4264735 By culturing streptomyces
04/28/1981US4264734 By treating antibiotic 890a10 with an amidohydrolase
04/28/1981US4264607 A40A Efrotomycin-like antibiotic in fermentation broth
04/28/1981US4264596 Maytansinoids, pharmaceutical compositions thereof and method of use thereof
04/28/1981US4264509 Isoflavones and related compounds, methods of preparing and using and antioxidant compositions containing same
04/28/1981US4264504 Mitomycin derivatives
04/21/1981US4263427 Reacting hydroxyl with isocyanate to obtain antibiotics
04/21/1981US4263404 Antibiotics from nocardia
04/14/1981US4262002 Bactericide, animal growth promoter
04/14/1981US4261977 Streptomycetal antibiotic
04/08/1981EP0026338A1 Antibiotic C-15003 PHM, production thereof and microorganisms for its production
04/01/1981EP0025898A2 Antibiotic C-15003 PND-0 and production of antibiotic C-15003 PND
03/1981
03/31/1981US4259443 Synthesis of ascorbic acid from lactose
03/25/1981EP0025602A1 Acylated cephalosporin analogs, process for their preparation and pharmaceutical compositions comprising them
03/24/1981CA1098063A1 Substances and process for their production
03/18/1981EP0025108A1 Maytansinoids, their production and therapeutic compositions containing them
03/11/1981EP0024866A2 Mildiomycin analogs, process for their preparation and pesticidal agents thereof
03/11/1981EP0024447A1 Process for purifying thienamycin
03/10/1981CA1097237A1 3-(oxygenated alkyl)-1,9-dihydroxy and 1-hydroxy-9- keto dibenzo (b,d) pyrans
02/1981
02/03/1981US4249008 3,4-Dihydro-4-hydroxy-5-(3-hydroxy-2-pyridinyl)-4-methyl-2H-pyrrole-2-carboxamide
02/03/1981US4248863 Produced by streptomyces
01/1981
01/28/1981EP0022973A1 Process for the preparation of ergosine
01/28/1981EP0022910A1 Microbiological processes for the preparation of 1R;3S;5S;alpha R;3-(2-(3,5-dimethyl-2-oxocyclohexyl)-2-hydroxyethyl)2,6-piperidindione, its use and the microorganisms used in producing it
01/27/1981US4247690 Lasalocid derivatives
01/27/1981US4247645 Anaerobic diodegradation by microorganisms and hydrolase-type enzymes; water pollution
01/27/1981US4247641 Method for producing epoxides and glycols from alkenes
01/27/1981US4247640 Fermentation process for 6-hydroxymethyl-2-(2-aminoethylthio)-1-carbadethiapen-2-em-3-carboxylic acid
01/27/1981US4247635 Microbiological reduction of 15-ketoprostaglandin intermediates
01/27/1981US4247462 Ansamycin antibiotic
01/21/1981EP0022478A1 Polyhydro-3,7-dimethyl-8-(2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)-ethyl)-1-naphthylenyl-2-methylbutanoates, corresponding hydroxy acids, process for preparing and pharmaceutical compositions containing the same
01/20/1981US4246347 Enzymatic conversion to d-glucosone, hydrogenation to d-fructose
01/20/1981CA1093999A1 Antibiotic bl580.delta. from streptomyces hygrosicopieus
01/14/1981EP0022206A2 Optically pure heterocyclic amino acids, process for their preparation and their use
01/06/1981US4243661 Multhiomycin antibiotic
01/06/1981CA1092999A1 Method for producing maytansinol and its derivatives
12/1980
12/30/1980US4242453 Cultivating streptomyces to produce an esterase inhibitor
12/30/1980US4242452 Process for preparing N-carbamoyl-D-thienylglycines
12/23/1980US4241184 Secondary alcohol dehydrogenase enzyme and use thereof
12/23/1980US4241182 Fortimicin factors KG1, KG2 and KG3 and processes for production thereof
12/16/1980US4239690 Antibiotics produced by Cytospora sp. W.F.P.L. 13A
12/10/1980EP0019934A1 Antibiotic C-15003 PND and process for their preparation
12/02/1980US4237291 Process for the isolation of ergot alkaloids from culture suspensions
11/1980
11/26/1980EP0019148A1 Antibiotic suppressing the growth of microorganisms and its manufacture by fermentation
11/25/1980US4235967 Process for producing antibiotics by cultivation of Streptomyces flavogriseus
11/25/1980US4235882 Antibiotic MM 4550A
11/18/1980US4234684 Etherification of mycophenolic acid with glucose
11/04/1980US4232006 Antibiotic W-10 complex, antibiotic 20561 and antibiotic 20562 as antifungal agents
11/04/1980US4231938 Antilipemic agents; fungistats
10/1980
10/29/1980EP0017970A1 Novel beta-lactam derivatives and process for production thereof
10/28/1980US4230854 Analogues of ergot alkaloids
10/28/1980US4230799 Culturing aeromonas
10/28/1980CA1088441A1 Antibiotics, neoviridogriseins, and their method of production
10/21/1980US4229535 Method for preparing multhiomycin
10/21/1980US4229534 Streptomyces culture
10/21/1980US4229533 Method for producing antibiotic C-15003 P-4
10/21/1980US4229466 Sesquiterpene derivatives having anti-complementary activity
10/16/1980WO1980002098A1 Isoflavones and related compounds,methods of preparing and using and antioxidant compositions containing same
10/15/1980EP0017246A1 Antibiotic PA-31088-IV, its salts with bases, a process for its manufacture, pharmaceutical compositions containing this antibiotic, streptomyces tokunonensis PA-31088 and its mutants
10/14/1980US4228239 Method for producing antibiotic C-15003 P-3
10/14/1980US4228079 Nematocides, anticarcinogenic agents
10/07/1980US4226880 Antibacterial compounds
09/1980
09/30/1980US4225674 Streptomyces culture
09/30/1980US4225593 Animal husbandry; aplasmomycin, boromycin
09/30/1980US4225586 Antibiotic SB-72310
09/30/1980US4225494 Antibiotic c-15003, fungicide, antiprotozoa
09/23/1980US4224407 Assay of L-lysine
09/17/1980EP0015388A1 Preparation of 1-desoxynojirimycin
09/16/1980US4222942 Solvent extraction, acidification
09/16/1980CA1085826A1 Glycosides of 2,6-bis(hydroxy-phenyl)-3,7- dioxabicyclo 3,3,0 octane
09/09/1980US4221908 Reductiomycin
09/09/1980US4221870 Thienamycin salts by cultivating streptomyces gedanenis
09/09/1980US4221724 Bactericide, antimalarial, growth promoters
09/02/1980US4220786 Reaction of rubradirin with pyridine and acetic anhydride
09/02/1980US4220718 Grahamimycins
08/1980
08/26/1980US4219644 Fortimicins AH and AI
08/20/1980EP0014476A1 Optically active acylated cephalosporin analogs, processes for their preparation and pharmaceutical compositions comprising them
08/20/1980EP0014475A1 Optically active cephalosporin analogs, process for their preparation and their use in the preparation of pharmaceutical compositions
08/20/1980EP0014402A1 Novel 20-0-acylmaytansinoids, process for their preparation and pharmaceutical compositions containing them
08/06/1980EP0014181A2 Compounds with antibiotic activity, their manufacture by fermentation and pharmaceutical preparations containing them
07/1980
07/22/1980US4214091 Antibiotic No. 2-200 and process for producing thereof
07/22/1980US4213966 Method for isolating polyether antibiotics
07/15/1980US4212944 Aerobically propagating nocardiopsis atra
07/15/1980US4212942 Culturing streptomyces in medium containing fatty acid or precursor and ammonia or ammonium salt
07/08/1980US4211841 Process for microbial transformation of steroids
06/1980
06/25/1980EP0012710A1 Microbiological reduction of 15-keto-prostaglandine intermediates
06/25/1980EP0012278A2 Preparation of N-substituted derivatives of 1-deoxy-nojirimycine
06/25/1980EP0012246A1 Aromatic and flavouring substances, their preparation by fermentation, their use and products containing them
06/11/1980EP0011859A1 Urethane derivatives and their salts, the preparation of these compounds and corresponding compositions
06/10/1980US4207395 Enzymatically
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