Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

185 results about "Isoindoline" patented technology

Isoindoline is a heterocyclic organic compound with the molecular formula C₈H₉N. The parent compound has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing ring. The compound's structure is similar to indoline except that the nitrogen atom is in the 2 position instead of the 1 position of the five-membered ring. Isoindoline itself is not commonly encountered, but several derivatives are found in nature and some synthetic derivatives are commercially valuable drugs, e.g. pazinaclone.

The invention relates to a spiro [cyclopenta [c] carbazole-1, 1apos; -isoindoline]-3apos,-isoindoline]-3apos Chiral synthesis method of-ketone compounds

The invention belongs to the technical field of synthesis of organic compounds, and particularly relates to a chiral synthesis method of spiro [cyclopenta [c] carbazole-1, 1 '-isoindoline]-3'-ketone compounds. The compound synthesized by the invention has an isoindolinone skeleton and a carbazole active fragment at the same time. The carbazole compound and the isoindolinone compound are successfully combined in a cyclization mode for the first time, and the chiral compound can be prepared. The invention provides a synthesis method of a chiral spiro [cyclopenta [c] carbazole-1, 1 '-isoindoline]-3'-ketone compound, which has the advantages of mild reaction conditions, green and environment-friendly catalyst, easiness in operation, few synthesis steps, easiness in purification and separation of products, capability of obtaining higher yield and high stereoselectivity, easiness in amplification of reaction, high yield, high yield and high yield, and is suitable for large-scale production of the chiral spiro [cyclopenta [c] carbazole-1, 1 '-isoindoline]-3'-ketone compound. And the method has a wide application prospect.
Owner:GUANGDONG PHARMA UNIV

Optical epoxy resin molding compound as well as preparation method and application thereof

The invention relates to the technical field of epoxy resin, in particular to an optical epoxy resin molding compound and a preparation method and application thereof. The coating comprises the following components: a colorant, epoxy resin, an antioxidant, a curing agent and an auxiliary agent, the color agent comprises an ultraviolet absorbent and a blue light absorbent; the epoxy resin comprises triazine skeleton epoxy resin. The toner comprises an ultraviolet absorbent and a blue light absorbent, and the epoxy resin comprises triazine skeleton epoxy resin, so that light rays below 460 nm can be effectively shielded, the transmittance of light rays above 500 nm reaches 85% or above, and meanwhile, excellent high-temperature resistance is achieved; the ultraviolet absorbent comprises a triazine ultraviolet absorbent, and the blue light absorbent comprises a triazine derivative structure of an isoindolinone heterocyclic skeleton, so that the numerical value of 460 nm light transmittance / 500 nm light transmittance can be reduced to 0.5 or below.
Owner:TECORE SYNCHEM OPTOELECTRONIC TECH (TIANJIN) CO LTD

Isoindolinone and indazole compounds for the degradation of EGFR

ActiveUS12371442B2Organic active ingredientsPowder deliveryProteasome degradationDe ubiquitination
The invention provides compounds that degrade the epidermal growth factor receptor (EGFR) including mutant forms via the ubiquitination of the EGFR protein and subsequent proteasomal degradation. The compounds are useful for the treatment of various cancers.
Owner:C4 THERAPEUTICS INC

Isoindoline derivative and benzoindole derivative and application thereof

The invention belongs to the technical field of biological medicines, and particularly relates to a compound as shown in a formula (I), pharmaceutically acceptable salt, deuterated substance, stereoisomer, tautomer or a mixture of the pharmaceutically acceptable salt, the deuterated substance, the stereoisomer and the tautomer, and application of the compound as an IKZF1 and IKZF3 double-target immunomodulator.
Owner:SHANGHAI HELIOSON PHARM CO LTD

A process for the preparation of arylmethoxyisoindoline derivatives

The application relates to a preparation method of an arylmethoxy isoindoline derivative and belongs to the field of pharmaceutical chemical industry. Specifically, a compound of formula III and a compound of formula II are reacted in an organic solvent in the presence of a reducing agent to generate a compound of formula I. A new preparation route of the arylmethoxy isoindoline derivative is provided, and the preparation route has high yield and high product purity.
Owner:SHANGHAI SYNCORES TECH INC +1

3-(5-(aminomethyl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione derivatives, process for their synthesis, use

PendingCN122444688AOncologyMalignancy
The application discloses a 3-(5-(aminomethyl)-1-oxoisoindoline-2-yl)piperidine-2,6-dione derivative and a synthesis method and application thereof, and relates to a 3-(5-(aminomethyl)-1-oxoisoindoline-2-yl)piperidine-2,6-dione derivative which is a compound with the following general formula (I): wherein R1 is selected from,,,,,,,,, and R2 is selected from,,, and. The compound can significantly inhibit the proliferation of leukemia, multiple myeloma, lymphoma, breast cancer, liver cancer and the like at a low dose (nanomole), can effectively degrade IKZF1, IKZF3, BRD4, GSPT1 and CK1 alpha, and has the prospect of being developed into an anti-tumor drug. The application solves the problem that the existing malignant hematological disease treatment drugs have a high safety risk.
Owner:NANTONG QUNDING PHARMACEUTICAL TECHNOLOGY CO LTD +1

Isoindoline compound containing phenylethoxyalkyleneamine structure, conjugate thereof, and use thereof

The present invention relates to an isoindoline compound containing a phenylethoxyalkyleneamine structure, a conjugate thereof, and use thereof. The isoindoline compound containing a phenylethoxyalkyleneamine structure has a structure represented by formula (I). The conjugate thereof has a structure represented by formula (B). The compound of the present invention exhibits increased proliferation inhibition activity for cancer cells and a degradation effect on proteins such as GSPT1, demonstrating practical values.
Owner:SHANGHAI HAIYAN PHARMA TECH +1

Salts and solid forms of (s)-3-(4-((4-(morpholinomethyl)benzyl)oxy)-1-oxoisoindolin-2-yl)piperidine-2,6-dione and compositions comprising and methods of using the same

PendingUS20250281501A1Organic active ingredientsSenses disorderPiperidinedioneDiketone
Salts and solid forms of 3-(4-((4-(morpholinomethyl)benzyl)oxy)-1-oxoisoindolin-2-yl)piperidine-2,6-dione, or a stereoisomer thereof, are disclosed. Compositions comprising and methods of using the salts and solid forms are also disclosed.
Owner:CELGENE CORP

2-(2, 6-dioxopiperidine-3-yl)-1, 3-dioxoisoindoline derivatives bearing an heteroaryl group as anaplastic lymphoma kinase (ALK) degraders and uses thereof

PCT designated stageWO2026151924A1ArylPharmaceutical medicine
Provided are compounds of the structural Formula (I): and pharmaceutically acceptable salts and compositions thereof, which are useful for treating a variety of conditions associated with ALK.
Owner:TRIANA BIOMEDICINES INC

Substituted 3-(5-(6-aminopyridin-2-YL)-4-fluoro-1-oxoisoindolin-2-YL)piperidine-2,6-dione compounds for use in the treatment of cancer

Disclosed are compounds of Formula (1): Also disclosed are methods of using such compounds to decrease the levels of Ikaros protein, Helios protein, Aiolos protein, and Eos protein; and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
Owner:BRISTOL MYERS SQUIBB CO

Isoindolinone and indazole compounds for the degradation of EGFR

ActiveUS12486290B2Organic active ingredientsPowder deliveryProteasome degradationDe ubiquitination
The invention provides compounds that degrade the epidermal growth factor receptor (EGFR) including mutant forms via the ubiquitination of the EGFR protein and subsequent proteasomal degradation. The compounds are useful for the treatment of various cancers.
Owner:C4 THERAPEUTICS INC

PD-L1 targeting small-molecule inhibitor, nano-particles prepared by combining PD-L1 targeting small-molecule inhibitor with photodynamic therapy, medicine and application of PD-L1 targeting small-molecule inhibitor and nano-particles

The invention provides a PD-L1 targeting small-molecule inhibitor, nanoparticles prepared by combining the PD-L1 targeting small-molecule inhibitor with a photodynamic therapy, a medicine and application, and belongs to the technical field of biological medicine. The invention provides a PD-L1 targeting small molecule inhibitor, which is an alanine substituted isoindoline bitoluene derivative C2 as shown in a formula I which is described in the specification. Tests show that the alanine substituted isoindoline bitoluene derivative C2 can effectively inhibit PD-1 / PD-L1 binding and has certain anti-tumor activity, and nanoparticles of a nano delivery system prepared from the inhibitor and a photosensitizer have better anti-tumor (colon cancer) activity. The technical scheme of the invention provides a new thought for tumor treatment.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES

Oxoisoindolinyl substituted piperidinedione derivative and use thereof

The present disclosure provides a compound of Formula (I) or salts, enantiomers, stereoisomers, solvates, or polymorphs thereof and uses thereof. The present disclosure also provides pharmaceutical compositions comprising, as an active ingredient, the compound of Formula (I) or salts, enantiomers, stereoisomers, solvates, or polymorphs thereof and uses thereof. The series of compounds designed and synthesized in the present disclosure can effectively prevent and / or treat diseases or disorders associated with the cereblon protein.
Owner:GLUETACS THERAPEUTICS (SHANGHAI) CO LTD

Optical epoxy resin molding compound and its preparation method and application

The present invention relates to the field of epoxy resin technology, and more specifically, to an optical epoxy resin molding compound, its preparation method, and application. The components include: a colorant, an epoxy resin, an antioxidant, a curing agent, and an auxiliary agent; the colorant includes a UV absorber and a blue light absorber; and the epoxy resin includes a triazine skeleton epoxy resin. The colorant includes a UV absorber and a blue light absorber, and the epoxy resin includes a triazine skeleton epoxy resin, which can effectively shield light below 460nm and increase the transmittance of light above 500nm to more than 85%, while achieving excellent high-temperature resistance. The UV absorber includes a triazine-type UV absorber, and the blue light absorber includes a triazine-derived structure with an isoindolinone heterocyclic skeleton, which can reduce the value of 460nm transmittance / 500nm transmittance to less than 0.5.
Owner:TECORE SYNCHEM OPTOELECTRONIC TECH (TIANJIN) CO LTD

Production process of pigment yellow 139

PendingCN120484529AOrganic chemistryIsoindoline dyesDistillationAqueous solution
The invention relates to the technical field of pigment synthesis, in particular to a production process of pigment yellow 139, which comprises the following steps: 1) adding water into barbituric acid, fully dissolving at the temperature of 30-70 DEG C, adjusting the pH value to be less than or equal to 1.8 to form a supersaturated solution, keeping the temperature unchanged, adding 1, 3-diimino isoindoline solid or a mixed solution of the 1, 3-diimino isoindoline solid and the water for multiple times, and reacting the barbituric acid with the 1, 3-diimino isoindoline solid to obtain a mixture; the molar ratio of the 2, 3-diimino isoindoline to the 2, 3-diimino isoindoline is (2.5-4.5): 1, keeping the pH value of the system to be less than 7 in the adding process, and then keeping the temperature at 40-70 DEG 2) crude product separation: after the heat preservation reaction is finished, keeping the temperature of the mixed solution in the step 1) at 50 DEG C or above, and carrying out hot filtration to separate a pigment crude product; 3) pigmentation: adding water into the pigment crude product, preserving heat at 105-130 DEG C for pigmentation within 4-10 hours to obtain a pigment yellow 139 product; and 4) carrying out heating reduced pressure distillation treatment on the filtrate obtained by hot filtration separation in the step 2) to obtain a barbituric acid aqueous solution and ammonia water. The raw material utilization rate is improved.
Owner:ANSHAN HUIYOU INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD

Pharmaceutically acceptable salt and crystal form of tetrahydronaphthalene derivative, and preparation method

The present invention relates to a pharmaceutically acceptable salt and a crystal form of a tetrahydronaphthalene derivative, and a preparation method. Specifically, the present disclosure provides a pharmaceutically acceptable salt and a crystal form of (S)-3-(5-(4-((1-(4-((1R,2R)-6-hydroxy-2-isobutyl-1,2,3,4-tetrahydronaphthalen-1-yl)phenyl)piperidin-4-yl)methyl)piperazin-1-yl)-1-oxoisoindolin-2-yl)piperidine- 2,6-dione, and a preparation method therefor. The corresponding salt has good stability and can be better used for clinical treatment.
Owner:JIANGSU HENGRUI MEDICINE CO LTD +1

Triazolyl isoindolinone compound as well as preparation method and application thereof

The invention belongs to the field of agricultural science, and discloses a triazolyl isoindolinone compound I. The triazolyl isoindolinone compound I is obtained by using an isoindolinone skeleton as a basis and connecting an amino acid with a triazole ring containing a substituent group to construct an amide structure. The compound is simple in structure, mild in synthesis reaction condition, simple and convenient to operate and high in yield, has good bactericidal activity and can be used for developing agricultural bactericides.
Owner:EAST CHINA UNIV OF SCI & TECH

A reactive thermoplastic resin having a large free volume, a preparation method and a bismaleimide resin composition

PendingCN122103579AThermoplasticPolymer science
The application discloses a reaction type thermoplastic resin with a large free volume, a preparation method and a bismaleimide resin composition, and belongs to the technical field of polymer material toughening. N 2 a nucleophilic polycondensation reaction to obtain a polyaryletherketone / sulfone copolymer containing a reaction type group, wherein the bisphenol compound is selected from one or more of phenolphthalein, thymolphthalein, bisphenol fluorene and isoindolinone-based bisphenol. The application introduces a bisphenol compound with a large side group into the molecular chain of the thermoplastic resin to construct a large free volume structure, and simultaneously utilizes TGSH to provide an active propenyl group, so that the resin can participate in the curing and cross-linking reaction of bismaleimide. The bismaleimide resin composition using the resin as a toughening agent has a significantly improved toughness after curing.
Owner:ZHEJIANG SCI-TECH UNIV +1