Material Safety Data Sheet Section 1. Identification of the substance Product Name: 5-Bromo-2-(dimethylamino)benzaldehyde Synonyms: Section 2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section 3. Composition/information on ingredients. Ingredient name: 5-Bromo-2-(dimethylamino)benzaldehyde CAS number: 171881-36-0 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: C9H10BrNO Molecular weight: 228.1 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 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.
[EN] BENZOCYCLOBUTANE DERIVATIVES USEFUL AS DUAL SGLT1/SGLT2 MODULATORS<br/>[FR] DÉRIVÉS DE BENZOCYCLOBUTANE UTILES EN TANT QUE MODULATEURS DOUBLES DE SGLT1/SGLT2
申请人:JANSSEN PHARMACEUTICA NV
公开号:WO2018089449A1
公开(公告)日:2018-05-17
The present invention is directed to benzocyclobutane derivatives, pharmaceutical compositions containing them and their use in the treatment of disorders and conditions modulated by SGLT activity, more particularly dual SGLT1/2 activity. More particularly, the compounds of the present invention are useful in the treatment of for example, Type II diabetes mellitus, Syndrome X, and complications and symptoms associated with said disorders.
Redox-Triggered Switchable Synthesis of 3,4-Dihydroquinolin-2(1<i>H</i>)-one Derivatives via Hydride Transfer/<i>N</i>-Dealkylation/<i>N</i>-Acylation
作者:Xiaoyu Yang、Liang Wang、Fangzhi Hu、Lubin Xu、Sanming Li、Shuai-Shuai Li
DOI:10.1021/acs.orglett.0c03863
日期:2021.1.15
The switchable synthesis of 3-non, 3-mono, 3,3′-disubstituted 3,4-dihydroquinolin-2(1H)-ones was developed through a redox-neutral hydride-transfer/N-dealkylation/N-acylation strategy from o-aminobenzaldehyde with 4-hydroxycoumarin, and Meldrum’s acid, respectively. The unprecedented strategy for the synthesis of 3,3′-highly functionalized 3,4-dihydroquinolin-2(1H)-one has been realized with the in
An efficient BF3·OEt2-mediated propargyl alcohol rearrangement/[1,5]-hydride transfer/cyclizationcascade for the synthesis of tetrahydroquinoline derivatives has been described. The substituents adjacent to triple bonds play an important role in the formation of ketones (via [1,3]-hydroxyl shift) or alkenyl fluorides which are products of formal trans-carbofluorination of internal alkynes. This method
Several chiralaminoalcohols have been synthesized conveniently and effectively. 1H NMR was utilized to investigate their enantiodiscriminating abilities. Chiralaminoalcohols 2 and 4 were discovered as efficient CSAs for the determination of the enantiomeric compositions of chiral carboxylic acids. In particular, for the Ts-derivatives of amino acids studied herein, 4 could be used for the assignment
方便有效地合成了几种手性氨基醇。1 H NMR用于研究其对映体分辨能力。发现手性氨基醇2和4是测定手性羧酸对映体组成的有效CSAs。特别地,对于本文研究的氨基酸的Ts衍生物,可以使用4通过其NH(Ts )具有一定信心的质子。
NOVEL CURCUMIN DERIVATIVE
申请人:Takahashi Takashi
公开号:US20100048901A1
公开(公告)日:2010-02-25
The present invention provides a novel compound that is structurally similar to curcumin and has a suppressive effect on Aβ aggregation, a degradative effect on Aβ aggregates, an inhibitory effect on β-secretase, and a protective effect on neurons. The novel compound is a compound represented by the following general formula (Ia) or a salt thereof:
wherein R
1
represents a 4-hydroxy-3-methoxyphenyl group or the like, and R
2
represents a 1H-indol-6-yl group or the like.