Material Safety Data Sheet Section 1. Identification of the substance Product Name: 2-Cyano-5-fluorobenzyl bromide Synonyms: Section 2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. H314: Causes severe skin burns and eye damage H318: Causes serious eye damage H302: Harmful if swallowed H312: Harmful in contact with skin H332: Harmful if inhaled P260: Do not breathe dust/fume/gas/mist/vapours/spray P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting P405: Store locked up Section 3. Composition/information on ingredients. Ingredient name: 2-Cyano-5-fluorobenzyl bromide CAS number: 421552-12-7 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. Storage: Store in closed vessels. 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 Not specified Appearance: Boiling point: No data Melting point: No data Flash point: No data Density: No data Molecular formula: C8H5BrFN Molecular weight: 214 Section 10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, 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 UN Number: UN2923 Class: 8 Packing group: III Proper shipping name: CORROSIVE SOLIDS, TOXIC, N.O.S. (2-Cyano-5-fluorobenzyl bromide) 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.
Design, Semisynthesis, Insecticidal and Antibacterial Activities of a Series of Marine-Derived Geodin Derivatives and Their Preliminary Structure–Activity Relationships
product geodin (1), isolated from the marine-derived fungus Aspergillus sp., a series of new ether derivatives (2–37) was designed and semisynthesized using a high-yielding one-step reaction. In addition, the insecticidal and antibacterial activities of all geodin congeners were evaluated systematically. Most of these derivatives showed better insecticidal activities against Helicoverpa armigera Hübner
[EN] HETEROCYCLYL PYRAZOLOPYRIMIDINE ANALOGUES AS JAK INHIBITORS<br/>[FR] ANALOGUES D'HÉTÉROCYCLYL PYRAZOLOPYRIMIDINE EN TANT QU'INHIBITEURS DE JAK
申请人:CELLZOME LTD
公开号:WO2011048082A1
公开(公告)日:2011-04-28
The present invention relates to compounds of formula (I) wherein X1 to X5, Y, Z1 to Z3, and R have the meaning as cited in the description and the claims. Said compounds are useful as JAK inhibitors for the treatment or prophylaxis of immunological, inflammatory, autoimmune, allergic disorders, and immunologically-mediated diseases. The invention also relates to pharmaceutical compositions including said compounds, the preparation of such compounds as well as the use as medicaments.
Methods of making compounds of the formula (I) wherein the variables are as defined herein. Also, methods of making compounds that may be used to inhibit dipeptidyl peptidase.
Palladium-Catalyzed Tandem Carbonylative Diels–Alder Reaction for Construction of Bridged Polycyclic Skeletons
作者:Siyuan Wang、Yangkun Zhou、Hanmin Huang
DOI:10.1021/acs.orglett.1c00274
日期:2021.3.19
A palladium-catalyzed tandem carbonylative lactonization and Diels–Alder cycloaddition reaction between aldehyde-tethered benzylhalides and alkenes has been developed. A range of alkenes and aldehyde-tethered benzylhalides bearing different substituents can be successfully transformed into the corresponding bridged polycyclic compounds in good yields. This strategy provides a unique approach to complex