Patents
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Patents for C07D 493 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system (17,376)
01/1992
01/25/1992CA2047616A1 Process for the preparation of 6-acyl, 7-acyl, and 6,7-diacyl analogues of forskolin and intermediates thereof
01/23/1992DE4022784A1 New azolyl:methyl-substd. cyclic alcohol derivs.
01/21/1992US5082956 Isomerization of epoxyalkenes to 2,5-dihydrofurans
01/21/1992US5082858 Novel chroman derivatives active on the central nervous system, their method of preparation and pharmaceutical compositions in which they are present
01/21/1992US5082857 Antibacterial, antitumor
01/14/1992US5081282 Prostaglandins
01/14/1992US5081266 Process for preparing [1S-[1α,2α(Z),3α,4α]]-7-[3-[[[[(1-oxoheptyl)-amino]acetyl]amino]methyl]-7-oxabicyclo-[2.2.1]hept-2-yl]-5-heptenoic acid
01/14/1992US5081262 Substituted cyclopentenyl oxabicyclooctanes, cyclopentenylformylcyclohexenes and cyclopentenylhydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof
01/09/1992WO1992000301A1 Process for preparing dibenzylidene-d-sorbitol compounds
01/08/1992EP0464846A1 Imide derivatives, and their production and use
01/08/1992EP0464769A2 Purinyl and pyrimidinyl tetrahydrofurans
01/08/1992EP0147461B1 11-halogene-prostane derivatives, process for obtaining them and utilization thereof as drugs
01/02/1992EP0463677A2 Process for the glycosylation of avermectin aglycones
01/02/1992EP0463588A1 Clarifiers for polyolefins and polyolefin compositions containing same
01/02/1992EP0463054A1 Selective oxabicycloalkanes
01/02/1992DE4020432A1 New azolyl:methyl-substd. cyclic alcohol derivs.
12/1991
12/31/1991US5077416 Benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials and process for their production
12/31/1991US5077309 Thromboxane a2 antagonist
12/31/1991US5077308 Avermectin ketal derivatives useful as antiparasitic
12/31/1991CA1293703C Scytophycins
12/27/1991EP0462480A1 Crystal of fluoran compound, preparation process of said crystal, and recording material comprising said crystal
12/24/1991US5075457 Catalytic hydrogenation of 2,5-anhydro-1-azido-1-deoxy-2,3-o-isopropylidene-d-talitol; acid hydrolysis
12/24/1991US5075448 Synthesis of swainsonine and analogs thereof
12/24/1991US5074903 Cyclohexenone derivatives, preparation and use thereof as herbicides
12/24/1991CA1293513C Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth
12/24/1991CA1293506C Fluoran derivatives and their use in recording materials
12/23/1991CA2044875A1 Process for the glycosylation of avermectin agylcones
12/18/1991EP0461141A1 Etoposide analogues
12/18/1991CN1015105B Process for preparing oximino ether of 2,6-dioxabicyclo (3,3,0) octanones
12/17/1991US5073567 Milbemycins
12/17/1991US5073545 Agent containing an ellagic acid series compound for external application and use thereof
12/17/1991US5073538 Cycloalkylidene derivatives and fragrance composition
12/15/1991WO1991019718A1 Reveromycin a, production thereof, and antitumor drug and fungicide
12/12/1991WO1991018905A1 Radicicol derivatives, their preparation and their anti-tumor activity
12/12/1991WO1991018898A1 Nucleic acid homolog
12/12/1991WO1991018608A1 Use of platelet activating factor antagonists as anti-pruritic agents
12/12/1991CA2083611A1 Use of platelet activating factor antagonists as anti-pruritic agents
12/11/1991EP0460950A1 Radicicol derivatives, their preparation and their anti-tumour activity
12/11/1991EP0460413A1 A method of preparing trans-3,4-disubstituted-gamma-lactones
12/11/1991EP0460084A1 Novel beta-methoxyacrylates, their production and use
12/10/1991US5072004 Using blocking, deblocking strategy
12/07/1991CA2044018A1 Radicicol derivatives, their preparation and their anti-tumor activity
12/05/1991WO1991018891A1 Aromatic pyrrolidine and thiazolidine amides
12/04/1991EP0459432A1 Treatment of diseases with paf-acether antagonists and procedure for determining their efficacy
12/04/1991EP0459387A2 Phencyclidine and phencyclidine metabolites assay, tracers, immunogens, antibodies and reagent kit
12/04/1991EP0458965A1 Process for the preparation of vinyl ethers.
12/03/1991US5070209 12-halogenated forskolin derivatives
12/03/1991US5070103 Naphthalene derivatives and composition and methods of use, and aldehyde intermediates
12/03/1991US5070073 Substituted cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentenyl-hydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof
11/1991
11/30/1991CA2043372A1 Phencyclidine and phencyclidine metabolites assay, tracers, immunogens, antibodies and reagent kit
11/28/1991DE4016535A1 Charge transfer complexes of peri-xanthene-xanthene - used as antistatic agents in plastics and as organic conductors in electronics
11/27/1991EP0458387A1 Isochromane derivatives
11/27/1991EP0458201A2 9,9-Bis(perfluoroalkyl)xanthene 9-aryl-9-perfluoroalkylxanthene, monomers and polymers derived therefrom
11/27/1991EP0457802A1 Herbicidal oxabicyclononane ethers
11/26/1991US5068363 Perfumes or flavors
11/26/1991US5068339 Enhanced chemiluminescence from 1,2-dioxetanes through energy transfer to tethered fluorescers
11/26/1991US5068243 Bicyclic tetrahydroxypyrrolizidine
11/26/1991CA2042861A1 Isochromane derivatives
11/24/1991CA2042894A1 9,9-bis(perfluoroalkyl)xanthene, 9-aryl-9-perfluoroalkylxanthene, monomers and polymers derived therefrom
11/21/1991EP0457517A1 Avermectin derivatives with a spacer inserted between the disaccharide and the aglycone useful as antiparastic agents
11/20/1991CN1014790B Process for preparing novel benzoxazol-and benzothiazolamine derivatives and their use
11/19/1991US5066816 Processes for preparing optically active 3,4-dihydro-3,4-epoxy-2h-1-benzopyran compounds and intermediates therefor
11/19/1991US5066814 2-dicarboximidefluorane or 3-dicarboximidefluorane compounds
11/19/1991US5066807 Process for the preparation of castanospermine
11/19/1991US5066670 Macrolide derivatives with parasiticidal activity
11/19/1991US5066669 Benzofuran derivatives
11/19/1991US5066639 Adding fragrance to detergents and polyolefins
11/19/1991US5066490 Protein crosslinking reagents cleavable within acidified intracellular vesicles
11/15/1991CA2042418A1 Avermectin derivatives with a spacer inserted between the disaccharide and the aglycone useful as antiparasitic agents
11/14/1991WO1991017145A1 Process for preparation of 1,5-(alkylimino)-1,5-dideoxy-d-glucitol and derivatives thereof
11/13/1991EP0456509A1 Derivatives of 3' - and 3"-0-desmethyl avermectin compounds
11/13/1991EP0456266A1 Method for preparing optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compounds, intermediates therefor and uses thereof
11/13/1991EP0456149A1 9-Substituted compounds of 3 alpha, 11 alpha-Epoxy-3,4,5, 5a alpha,6,7,8,8a,9,11,11a-undecahydro-3 beta, 6 alpha, 9-trimethylfurano[3,4-j][1,2]-benzodioxepin, processes for their preparation and their use as antiprotozoal and antiviral agents
11/13/1991EP0444127A4 Process for preparing bis-methylene spiroorthocarbonate
11/12/1991US5064856 Novel hmg-coa synthase inhibitors
11/12/1991US5064855 Acid polycyclic ether antibiotic
11/12/1991CA2042124A1 Method for preparing optically active 3,4-dihydro-3,4-epoxy-2h-1-benzopyran compounds, intermediates therefor and uses thereof
11/12/1991CA2041762A1 Derivatives of 3'-and 3"-0-desmethyl avermectin compounds
11/12/1991CA1292003C Hydroximic acids of 7-oxabicycloheptane substituted ethers and thioethers
11/08/1991WO1991017158A1 Intermediates in the formation of the calicheamicin and esperamicin oligosaccharides
11/06/1991EP0455271A2 Anti-inflammatory compositions
10/1991
10/30/1991EP0454587A1 Heterocyclic derivatives: 2-styryl-4H-1-benzopyran-4-ons, process for their preparation and pharmaceutical compositions containing them
10/30/1991EP0454494A2 Calicheamicinone, derivatives and analogs thereof and methods of making the same
10/30/1991EP0453960A1 Sulfonylamino substituted bicyclyl hydroxamic acid derivatives
10/30/1991EP0453497A1 Treatment methods and vaccines
10/29/1991US5061791 Antitumor agents
10/28/1991CA2041163A1 Heterocyclic derivatives : 2-styryl-4h-1-benzopyran-4-ones; process for preparing the same and pharmaceutical compositions containing them
10/28/1991CA2039789A1 Calicheamicinone, derivatives and analogs thereof and methods of making the same
10/22/1991CA1291139C Cyclohexane-1,3-dione derivatives, processes for their manufacture, and their use for controlling undesirable plant growth
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
10/16/1991EP0452000A2 Preparation of optically active norbornyl amine derivatives
10/16/1991EP0451273A1 Polyether antibiotic mi215-nf3, production thereof, and drug for treating fowl coccidiosis
10/16/1991CN1055359A Isomerization of epoxyalkenes dihydrofurans and catalysts compositions useful therefor
10/15/1991US5057616 Podophyllotoxin purification process
10/15/1991US5057536 Macrolide compounds
10/15/1991US5057508 Pesticidal compounds
10/15/1991US5057499 Parasiticides
10/15/1991US5057498 Antiparastic agents
10/09/1991EP0450812A1 Antihypercholesterolemics
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