in which the condensed system contains four or more hetero rings

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C07D493/22

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CCHEMISTRY METALLURGY C07Organic chemistry C07DHETEROCYCLIC COMPOUNDS C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system

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C07D493/22in which the condensed system contains four or more hetero rings

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Patents Grantslast 30 patents

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in which the condensed system contains four or more hetero rings

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Organic electroluminescent materials and devices

Fused hetero 5-membered ring molecule, p-type semiconductor film an...

Compound and organic light emitting device comprising the same

Tuned synthetic dendrimer calibrants for mass spectrometry

Compound, organic light-emitting element including the same, displa...

Compound and organic light emitting device comprising the same

Intermediate of eribulin and synthesis method and use thereof

Organic compound, electroluminescent material, and application thereof

Crystal form of tenvermectin B, preparation method therefor, and us...

Functionalized graphene oxide curable formulations

Salt, acid generator, resist composition and method for producing r...

Oxabicycloheptane prodrugs

Macrocyclic compounds and uses thereof

Organic electroluminescent materials and devices

Bryostatin compounds and methods of preparing the same

Macrocyclic compound and uses thereof

Hydrophilic berberine-type derivative and application thereof in pr...

Intermediates useful in the preparation of halichondrin compounds a...

Organic electroluminescent element, compound, and light emitting de...

Synthesis of eribulin mesylate

Macrocyclization reactions and intermediates and other fragments us...

Bryoid compositions, methods of making and use thereof

Polycyclic compound and organic light emitting element comprising same

Substituted heteroaryls as thermally assisted delayed fluorescent m...

Bisbenzofuran-fused 2,8-diaminoindeno[1,2-b]fluorene derivatives an...

Organic electroluminescent materials and devices

Synthesis of halichondrins

Prins reaction and compounds useful in the synthesis of halichondri...

Cavitand compositions and methods of use thereof

Bisbenzofuran-fused indeno[1,2-B]fluorene derivatives and related c...

Patents Applicationslast 30 patents

GUAIANOLIDE OLIGOMERS, PREPARATION METHOD AND APPLICATION

MACROCYCLIC COMPOUNDS AND USES THEREOF

SYNTHESIS OF TETRADECANOIC MODIFIED GRAPHENE AS A CORROSION INHIBITOR

GREEN SOLVENTS FOR CHEMICAL REACTIONS

BRYOSTATIN COMPOUNDS AND METHODS OF PREPARING THE SAME

PROCESS FOR THE PREPARATION OF ERIBULIN

MACROCYCLIC COMPOUND AND USES THEREOF

Organic Electroluminescent Materials and Devices

VERRUCARIN A DERIVATIVES AND ANTIBODY DRUG CONJUGATES THEREOF

BRYOID COMPOSITIONS, METHODS OF MAKING AND USE THEREOF

CRYSTALLINE SALT OF ERIBULIN

THERMALLY ASSISTED DELAYED FLUORESCENT MATERIALS WITH TRIAD-TYPE MA...

PRINS REACTION AND COMPOUNDS USEFUL IN THE SYNTHESIS OF HALICHONDRI...

Organic Electroluminescent Materials and Devices

SYNTHESIS OF HALICHONDRINS

MACROCYCLIC COMPOUNDS AND USES THEREOF

SYNTHESIS OF ERIBULIN MESYLATE

TUNED SYNTHETIC DENDRIMER CALIBRANTS FOR MASS SPECTROMETRY

Covalent Organic Frameworks

OXABICYCLOHEPTANE PRODRUGS

INTERMEDIATE OF ERIBULIN AND SYNTHESIS METHOD AND USE THEREOF

GINKGOLIDE B DERIVATIVE AND SALT THEREOF, PREPARATION METHOD THEREF...

Novel Compounds and Pharmaceutical Preparations

PROCESS FOR THE PREPARATION OF HIGH PURE ERIBULIN AND ITS MESYLATE...

SYNTHESIS OF NANOTUBULAR MOLECULES

SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING R...

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

PROCESS FOR PREPARATION OF ERIBULIN AND INTERMEDIATES THEREOF

FUSED HETERO 5-MEMBERED RING MOLECULE, p-TYPE SEMICONDUCTOR FILM AN...

BRYOSTATIN COMPOUNDS AND METHODS OF PREPARING THE SAME