Dimethyl-2,2-di (propyl-2-alkynyl) malonic acid diethyl ester, English name: 2,2-di- (propyl-2-ynyl) -malonic acid dimethyl ester, CAS: 63104-44-9, Chemical formula: C11H

2026-03-27 10:24:45

63104-44-9

Diethyl dimethyl-2,2-bis (propyl-2-alkynyl) malonate (2,2-di- (prop-2-ynyl) -malonic acid dimethyl ester)

CAS: 63104-44-9

Chemical formula: C11H12O4

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Chinese name	Diethyl dimethyl-2,2-bis (propane-2-alkynyl) malonate
English name	2,2-di- (prop-2-ynyl) -malonic acid dimethyl ester
alias	Diethyl dimethyl-2,2-bis (propane-2-alkynyl) malonate Dimethyl 2,2-di (propylene-2-alkynyl-1-yl) malonate
English alias	2,2-di- (prop-2-ynyl) -malonic acid dimethyl ester
CAS	63104-44-9
chemical formula	C11H12O4
molecular weight	208.21058
melting point	87.0 to 91.0 °C
Boiling Point	274.7±40.0 °C
storage conditions	Room Temprature

63104-44-9 - brief introduction

Diethyl dimethyl-2,2-bis (propyl-2-alkynyl) malonate is an organic compound. The following is a description of the properties, uses, preparation methods and safety information of this compound:

Nature:
Appearance: Colorless liquid
Soluble: Soluble in organic solvents such as ethers and alcohols

Purpose:
Diethyl dimethyl-2,2-bis (propyl-2-alkynyl) malonate is commonly used as a reagent and intermediate in organic synthesis, and has the following uses:
- For the synthesis of compounds containing aldehyde and ketone functional groups
- As a synthetic raw material for dyes and fluorescent dyes

Production method:
The synthesis of diethyl dimethyl-2,2-di (propyl-2-alkynyl) malonate is generally obtained by reacting 2-dialkynyl acetone with dimethyl Balhor ester. The specific steps are as follows:
The reaction of 2-dialkynyl acetone and dimethyl Balhor ester under alkaline conditions produces 2,2-bis (propyl-2-alkynyl) propanedione.
- React 2,2-bis (propyl-2-alkynyl) malondione with an acid to give dimethyl-2,2-bis (propylene-2-alkynyl) malonate diethyl ester.

Safety information:
Diethyl dimethyl-2,2-bis (propylene-2-alkynyl) malonate has limited safety information and the following points should be followed when using and handling:
Avoid inhaling its vapors and operate in a well-ventilated area.
Avoid contact with substances such as oxidizing agents and strong acids to avoid chemical reactions and hazards.
Storage should be sealed, protected from light, and away from heat sources.Last Updated: 2024-04-09 21:54:55

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