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19980-24-6

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19980-24-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19980-24-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,8 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19980-24:
(7*1)+(6*9)+(5*9)+(4*8)+(3*0)+(2*2)+(1*4)=146
146 % 10 = 6
So 19980-24-6 is a valid CAS Registry Number.

19980-24-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (Z)-1-phenyl-2-(trimethylsiloxy)propene

1.2 Other means of identification

Product number -
Other names (Z)-1-phenyl-2-trimethylsiloxy-1-propene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:19980-24-6 SDS

19980-24-6Relevant articles and documents

2,4,6-TRI-t-BUTYLPHENYLLITHIUM AS A BASE-----KINETIC DEPROTONATION OF BENZYL METHYL KETONE

Yoshifuji, Masaaki,Nakamura, Tetsuo,Inamoto, Naoki

, p. 6325 - 6328 (1987)

An extremely bulky lithium reagent, 2,4,6-tri-t-butylphenyllithium, was applied for deprotonation of benzyl methyl ketone to give the kinetic enol ether by "in situ" quenching with chlorotrimethylsilane as the major product indicating that the reagent serves as a hindered base.

Highly stereoselective oxazaborolidinium ion catalyzed synthesis of (Z)-silyl enol ethers from alkyl aryl ketones and trimethylsilyldiazomethane

Kang, Byung Chul,Shim, Su Yong,Ryu, Do Hyun

, p. 2077 - 2079 (2014/05/06)

Highly stereoselective (Z)-silyl enol ethers were prepared from alkyl aryl ketones and trimethylsilyldiazomethane (TMSD) using an oxazaborolidinium ion catalyst. In addition, ring-expanded silyl enol ethers were successfully constructed from cyclic ketones. Their synthetic utilities were shown by sequential Mukaiyama aldol and [2 + 2]-cycloaddition reactions.

A new method for the preparation of silyl enol ethers from carbonyl compounds and (trimenthylsily)diazomethane in a regiospecific and highly stereoselective manner

Aggarwal, Varinder K.,Sheldon, Chris G.,Macdonald, Gregor J.,Martin, William P.

, p. 10300 - 10301 (2007/10/03)

The reaction of lithium (trimethylsilyl)diazomethane with aldehydes and ketones has been investigated, and it has been found that quenching at low temperature with MeOH followed by addition of Rh2(OAc)4 gave silyl enol ethers in high yields. Quenching with other electrophiles (e.g., deuterium, MeI) gave terminal and substituted silyl enol ethers with complete control over regio- and stereochemistry. The mechanism of this novel process has been mapped out through a combination of deuterium labeling, ReactIR, and isolation of reaction intermediates. Copyright

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