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Scandium(III) triflate

Dangerous Goods

CAS number:144026-79-9    molecular formula:C3F9O9S3Sc

overview

compound introduction

Friedel-Crafts 酰化反应、Diels-Alder 反应以及其他碳-碳键形成反应的重要催化剂。用立体化学方法催化丙烯酸酯的自由基聚合反应。非常活泼、有效、可再生和再利用的酰化催化剂。 在Friedel-Crafts 酰化、 Diels-Alder 反应和其它的有碳-碳键构成的反应中是重要的催化剂。与三乙基硅烷共同用于官能化吡喃糖苷环的还原性开环反应。用于通过稳定的硫叶立德合成三环[3.3.2.02,8]癸-6,9-二烯-3-酮(8CI,9CI) 的关键步骤的路易斯酸。 Scandium(III) triflate is an important catalyst for Friedel-Crafts acylation, Diels-Alder reactions and other carbon-carbon bond-forming reactions. It also stereochemically catalyzes the radical polymerization of acrylates.Scandium(III) triflate complex of (4′S,5′S)-2,6-bis[4′-(triisopropylsilyl)oxymethyl-5′-phenyl-1′,3′-oxazolin-2′-yl]pyridine has been employed as catalyst for the asymmetric Friedel-Crafts reaction between substituted indoles and methyl (E)-2-oxo-4-aryl-3-butenoates. Scandium(III) triflate was used as catalyst in the following studies: . Hydrothiolation reaction of aromatic and aliphatic thiols. . Selective two-electron reduction of O2 by ferrocene derivatives. . Vinylogous Friedel-Crafts alkylation of indoles and pyrroles in water. . Synthesis of β-cyanoketones. It was also used with triethylsilane to reductively open functionalized pyranoside rings and in the key step of synthesis of bullvalone via a stabilized sulfur ylide.

Specs

Chinese alias三氟甲基磺酸钪(III) | 三氟甲磺酸 钪(III) 盐
English aliasScandium trifluoromethanesulfonate | Scandium(III) trifluoromethanesulfonate | Scandium Triflate | SC(OTF)3 | MFCD00192433
CAS number144026-79-9molecular formulaC3F9O9S3Sc
molecular weight492.16 g/molExact mass-
PSA197.000 Ųlogp-

numbering system

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physicochemical properties

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Safety information

pictogram:
GHS07
Signal word:
Warning
Hazard Statement:
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激
Statement of Preventive Measures:
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染:用水充分清洗。 P321: 特殊处理(请参阅此标签上的...)。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P271: 仅在室外或通风良好的地方使用。 P304+P340: 如误吸入:将人转移
WGK Germany:
3
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Gloves
UN Number:
1759

Production methods and uses

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downstream information

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MSDS

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144026-79-9 | Scandium(III) triflate.pdf