所有图片(2)

文件

803855

Schreiner′s Catalyst

Name: Schreiner′s Catalyst
Brand: ALDRICH

别名:

1,3-Bis[3,5-bis(trifluoromethyl)phenyl]urea, N,N′-bis[3,5-bis(trifluoromethyl)phenyl]-Urea

登录查看公司和协议定价

所有图片(2)

About This Item

经验公式（希尔记法）:

C₁₇H₈F₁₂N₂O

CAS号:

3824-74-6

分子量:

484.24

MDL编号:

MFCD00018048

UNSPSC代码:

12161600

PubChem化学物质编号:

329768829

NACRES:

NA.22

检测方案

97%

质量水平

100

形式

powder

反应适用性

reagent type: catalyst

环保替代产品特性

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

环保替代产品分类

Aligned,

储存温度

2-8°C

SMILES字符串

O=C(NC1=CC(C(F)(F)F)=CC(C(F)(F)F)=C1)NC2=CC(C(F)(F)F)=CC(C(F)(F)F)=C2

InChI

1S/C17H8F12N2O/c18-14(19,20)7-1-8(15(21,22)23)4-11(3-7)30-13(32)31-12-5-9(16(24,25)26)2-10(6-12)17(27,28)29/h1-6H,(H2,30,31,32)

InChI key

YGCOMBKZFUMALE-UHFFFAOYSA-N

一般描述

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.

应用

Schreiner′s catalyst is commonly used as a hydrogen-bond donor in the activation of carbonyls, nitroolefins, imines etc.

其他说明

Acceleration of the DABCO-promoted Baylis–Hillman reaction using a recoverable H-bonding organocatalyst

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

分析证书(COA)

输入产品批号来搜索分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

已有该产品？

在文件库中查找您最近购买产品的文档。

访问文档库

Bonding Organocatalysed Friedel-Crafts Alkylation of Aromatic and Heteroaromatic Systems with Nitroolefins

Dessole G,et al.

Synlett, 13, 2374-2378 (2004)

Internal Lewis acid assisted hydrogen bond donor catalysis.

Sonia S So et al.

Organic letters, 13(4), 716-719 (2011-01-14)

Boronate ureas are introduced as a new class of noncovalent catalysts for conjugate addition reactions with enhanced activity. Through intramolecular coordination of the urea functionality to a strategically placed Lewis acid, rate enhancements up to 10 times that of more

Urea derivatives are highly active catalysts for the base-mediated generation of terminal epoxides from aldehydes and trimethylsulfonium iodide.

Sarah A Kavanagh et al.

Organic & biomolecular chemistry, 6(8), 1339-1343 (2008-04-04)

N,N'-Diarylureas have been shown to efficiently catalyse sulfonium ylide-mediated aldehyde epoxidation reactions for the first time. These processes are of broad scope and can be coupled with a subsequent Cu(II) ion-catalysed Meinwald rearrangement to give an efficient and convenient protocol

文件