Material Safety Data Sheet Section 1. Identification of the substance Product Name: 2-Bromo-5-fluorophenylboronic acid Synonyms: Section 2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section 3. Composition/information on ingredients. Ingredient name: 2-Bromo-5-fluorophenylboronic acid CAS number: 959996-48-6 Section 4. First aid measures Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation: Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Section 5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section 6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution: Wear approved mask/respirator Hand precaution: Wear suitable gloves/gauntlets Skin protection: Wear suitable protective clothing Eye protection: Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section 7. Handling and storage Handling: This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Store in closed vessels, refrigerated. Storage: Section 8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section 9. Physical and chemical properties Appearance: Not specified Boiling point: No data No data Melting point: Flash point: No data Density: No data Molecular formula: C6H5BBrFO2 Molecular weight: 218.8 Section 10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, hydrogen fluoride, hydrogen bromide. Section 11. Toxicological information No data. Section 12. Ecological information No data. Section 13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section 14. Transportation information Non-harzardous for air and ground transportation. Section 15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313.
Enantioselective [3 + 2] annulation of N-heteroarenes with alkynes has been developed via a cobalt-catalyzed dearomative umpolung strategy in the presence of chiral ligand and reducing reagent. A variety of electron-deficient N-heteroarenes, including quinolines, isoquinolines, quinoxaline, and pyridines, and internal or terminal alkynes are employed in this reaction, showing a broad substrate scope
Synthesis of fused 1,2-naphthoquinones with cytotoxic activity using a one-pot three-step reaction
作者:Anton A. Nechaev、Pratap R. Jagtap、Ema Bažíková、Johana Neumannová、Ivana Císařová、Eliška Matoušová
DOI:10.1039/d1ob00205h
日期:——
A method for the synthesis of fused 1,2-naphthoquinones, as analogues of biologically active natural terpene quinones, is described. The intermediate polycyclic naphthalenes were prepared by a one-pot palladium-catalysed process from simple alkynes, one of which was made from an optically pure biomass-derived levoglucosenone. The prepared methoxy-substituted naphthalenes were subsequently transformed
[EN] TRICYCLIC HETEROCYCLES USEFUL AS TEAD BINDERS<br/>[FR] HÉTÉROCYCLES TRICYCLIQUES UTILES EN TANT QUE LIANTS TEAD
申请人:MERCK PATENT GMBH
公开号:WO2021224291A1
公开(公告)日:2021-11-11
The present invention relates to tricyclic heterocycles. These heterocyclic compounds are useful as TEAD binders and/or inhibitors of YAP-TEAD and TAZ-TEAD protein-protein interaction or binding and for the prevention and/or treatment of several medical conditions including hyperproliferative disorders and diseases, in particular cancer.
Palladium-Catalyzed Double <i>N</i>-Arylation to Access Unsymmetric <i>N</i>,<i>N</i>′-Bicarbazole Scaffolds
作者:Huan Zhang、Yi Ding、Mei-Ru Zhang、Chuan-Jun Lu、Jia Feng、Ren-Rong Liu
DOI:10.1021/acs.joc.3c00637
日期:2023.7.21
Herein, the palladium-catalyzed double C–N coupling of 9H-carbazol-9-amines and 2,2′-dibromo-1,1′-biphenyl is reported. This protocol offers access to N,N′-bicarbazole scaffolds, which have frequently been used as linkers in the construction of functional covalent organic frameworks (COFs). A variety of substituted N,N′-bicarbazoles were synthesized in moderate to high yields based on this chemistry