7-브로모-4-크로마논
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7-브로모-4-크로마논 속성
- 끓는 점
- 336.6±42.0 °C(Predicted)
- 밀도
- 1.621±0.06 g/cm3(Predicted)
- 저장 조건
- 2-8°C
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
HS 번호 | 2932990090 |
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신호 어: | Warning | |||||||||||||||||||||||||||||||||||
유해·위험 문구: |
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예방조치문구: |
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7-브로모-4-크로마논 C화학적 특성, 용도, 생산
Synthesis
7-Bromochroman-4-one was synthesized by hydrogenation addition of 7-Bromo-benzopyrone catalyzed by Wilkinson's catalyst Rhodium( Ⅰ) tris( triphenylphosphine) chloride[Rh( PPh3)3Cl]. The structure was confirmed by1 H NMR and MS. The optimum reaction conditions for synthesizing 7-Bromochroman-4-one were as follows: 5 0. 329 mol,ethanol as the solvent,c( 5) =0. 4 mol·L- 1,4% mol Rh( PPh3)3Cl as the catalyst,under 0. 3 MPa of hydrogen pressure,at 70℃ for 20 h,the yield was 79. 8%.7-브로모-4-크로마논 준비 용품 및 원자재
원자재
준비 용품
7-브로모-4-크로마논 공급 업체
글로벌( 129)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
Shanghai Rlavie Technology Co ltd | +86-021-67759270 +8617717059219 |
sales@rlavie.com | China | 1030 | 58 |
Shanghai UCHEM Inc. | +862156762820 +86-13564624040 |
sales@myuchem.com | China | 7130 | 58 |
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 |
sales@capotchem.com | China | 29798 | 60 |
ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 |
ivan@atkchemical.com | China | 32836 | 60 |
Accela ChemBio Inc. | +1-858-6993322 |
info@accelachem.com | United States | 19447 | 58 |
Alchem Pharmtech,Inc. | 8485655694 |
sales@alchempharmtech.com | United States | 63711 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49392 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29825 | 58 |
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd | +8613580539051 |
joe@yuhengpharm.com | CHINA | 21149 | 58 |
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34571 | 58 |
7-브로모-4-크로마논 관련 검색:
8-Bromo-4-chromanone
7-BROMOCHROMAN-4-AMINE HYDROCHLORIDE
7-broMo-3,4-dihydro-1H-isochroMene
7-Bromo-1-hydroxynaphthalene
7-Bromoisobenzofuran-1(3H)-one
7-Fluoro-4-chromanone
6-CHLOROCHROMAN-4-ONE
7-bromophthalazin-1(2H)-one
7-bromothiochroman-4-one
7-Bromo-3(2H)-benzofuranone
7-broMo-3,4-dihydro-2H-chroMen-4-aMine
7-BROMOCHROMAN-4-OL
7-BroMochroMan
4-Chromanone
8-Bromo-3-chromanone
6-Bromo-4-chromanone
5-Bromo-3-chromanone
4-BROMO-2-HYDROXYACETOPHENONE