产品名称

英文名称：p-Toluenesulfonic Anhydride

同义词

(4-methylphenyl)sulfonyl 4-methylbenzenesulfonate 、 4-Methylbenzenesulfonic anhydride 、 4-Toluenesulfonic anhydride 、 Toluene-p-sulphonic anhydride 、 4-toluenesulfonic acid anhydride、p-toluene sulfonic anhydride、4-甲苯磺酸酐

产品性质

CAS编号：4124-41-8

分子式：C14H14O5S2

分子量：326.38

Beilstein号：2223700

MDL号：MFCD00008548

PubChem编号：77773

别名：4-甲苯磺酸酐

英文别名：(4-methylphenyl)sulfonyl 4-methylbenzenesulfonate | 4-Methylbenzenesulfonic anhydride | 4-Toluenesulfonic anhydride | Toluene-p-sulphonic anhydride | 4-toluenesulfonic acid anhydride|p-toluene sulfonic anhydride

规格或纯度：>95.0%(T)

英文名称：p-Toluenesulfonic Anhydride

应用：p-Toluenesulfonic anhydride has been employed as reagent in palladium-catalyzed allylic alkenylation of allylic alcohols with n-butyl acrylate.

储存温度：2-8°C储存,充氩

运输条件：冰袋运输

产品介绍：对甲苯磺酸酐起亲电物质的作用，并原位活化2-deoxy-sμgar半缩醛，后者与亲核受体立体选择性反应生成β-异头异构体。以 p -甲苯磺酸酐为试剂，研究了钯催化的烯丙基醇与 n-丙烯酸丁酯的烯丙基烯化反应p-Toluenesulfonic anhydride acts as electrophilic species and activates 2-deoxy-sugar hemiacetals in situ, which reacts stereoselectively with nucleophilic acceptors to afford β-anomers.p-Toluenesulfonic anhydride has been employed as reagent in palladium-catalyzed allylic alkenylation of allylic alcohols with n-butyl acrylate.

IUPAC Name：(4-methylphenyl)sulfonyl 4-methylbenzenesulfonate

INCHI：InChI=1S/C14H14O5S2/c1-11-3-7-13(8-4-11)20(15,16)19-21(17,18)14-9-5-12(2)6-10-14/h3-10H,1-2H3

InChi Key：PDVFSPNIEOYOQL-UHFFFAOYSA-N

Canonical SMILES：CC1=CC=C(C=C1)S(=O)(=O)OS(=O)(=O)C2=CC=C(C=C2)C

Isomeric SMILES：CC1=CC=C(C=C1)S(=O)(=O)OS(=O)(=O)C2=CC=C(C=C2)C

WGK Germany：3

PubChem CID：77773

Reaxy-Rn：2223702

敏感性：对湿气敏感

熔点：121-127°C

象形图：

信号词：Danger

危险声明：H314 Causes severe skin burns and eye damage

预防措施声明：P280,P321,P405,P501,P264,P260,P301+P330+P331,P304+P340,P363,P305+P354+P338,P302+P361+P354,P316

个人防护装备：Eyeshields， Faceshields， full-face particle respirator type N100 (US)， Gloves， respirator cartridge type N100 (US)， type P1 (EN143) respirator filter， type P3 (EN 143) respirator cartridges

产品包装