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28861-29-2

28861-29-2

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28861-29-2 Usage

Uses

1-Diazo-4-phenyl-3-butyn-2-one is a reagent used for the introduction of Aziridine into functionalized organic molecules.

Check Digit Verification of cas no

The CAS Registry Mumber 28861-29-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,6 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28861-29:
(7*2)+(6*8)+(5*8)+(4*6)+(3*1)+(2*2)+(1*9)=142
142 % 10 = 2
So 28861-29-2 is a valid CAS Registry Number.

28861-29-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-diazo-4-phenylbut-3-yn-2-one

1.2 Other means of identification

Product number -
Other names 1-Diazo-4-phenyl-3-butyn-2-one

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:28861-29-2 SDS

28861-29-2Synthetic route

diazomethane
186581-53-3, 908094-01-9

diazomethane

phenylpropiolyl chloride
7299-58-3

phenylpropiolyl chloride

1-diazo-4-phenylbut-3-yn-2-one
28861-29-2

1-diazo-4-phenylbut-3-yn-2-one

phenylpropiolyl chloride
7299-58-3

phenylpropiolyl chloride

diazomethyl-trimethyl-silane
18107-18-1

diazomethyl-trimethyl-silane

1-diazo-4-phenylbut-3-yn-2-one
28861-29-2

1-diazo-4-phenylbut-3-yn-2-one

Conditions
ConditionsYield
With triethylamine In acetonitrile at 0℃; for 24h; Inert atmosphere;51 mg
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

1-diazo-4-phenylbut-3-yn-2-one
28861-29-2

1-diazo-4-phenylbut-3-yn-2-one

4-phenyl-4-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-buta-2,3-dienoic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

4-phenyl-4-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-buta-2,3-dienoic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

Conditions
ConditionsYield
In toluene for 3.5h; UV-irradiation;29%
In toluene for 3.5h; Photolysis;29%
1-diazo-4-phenylbut-3-yn-2-one
28861-29-2

1-diazo-4-phenylbut-3-yn-2-one

4-Phenyl-but-1-en-3-yn-1-one
138541-71-6

4-Phenyl-but-1-en-3-yn-1-one

Conditions
ConditionsYield
In acetonitrile Ambient temperature; Irradiation;
In 2,2,4-trimethylpentane for 0.0166667h; Wolff rearrangement; UV-irradiation;
In 2,2,4-trimethylpentane Wolff rearrangement; Photolysis;

28861-29-2Downstream Products

28861-29-2Relevant articles and documents

Trimethylsilyldiazomethane as a versatile stitching agent for the introduction of aziridines into functionalized organic molecules

Ren, Hong,Wulff, William D.

supporting information; experimental part, p. 4908 - 4911 (2011/02/21)

A highly enantioselective route for the introduction of aziridines into functionalized organic molecules was developed via a tandem acylation and aziridination of TMSCHN2.

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