1-ethynyl-2-methyl penten-2-ol
1-ethynyl-2-methyl penten-2-ol Basic information
- Product Name:
- 1-ethynyl-2-methyl penten-2-ol
- Synonyms:
-
- 1-ethynyl-2-methyl penten-2-ol
- MF:
- C8H13O
- MW:
- 125.18822
- Mol File:
- Mol File
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1-ethynyl-2-methyl penten-2-ol Usage And Synthesis
Description
1-ethynyl-2-methyl penten-2-ol, also known as 2-Methyl-1-acetylenyl-2-pentene-1-ol, is a derivative of acetylene and 2-methyl-2-pentenal. Molecular formula: C8H12O, molecular weight: 124.18.
Chemical Properties
1-ethynyl-2-methyl penten-2-ol is a colorless and oily liquid with a reduced pressure boiling point of 112–115°C at 10 kPa. It is insoluble in water but soluble in organic solvents such as ethers and alcohols.
Uses
1-ethynyl-2-methyl penten-2-ol is a pesticide intermediate that can be used for manufacture of insecticides such as empenthrin and chlorempenthrin. These pyrethroids are repellents for mosquitoes, flies, cockroaches and clothing pests.
Preparation
Acetylene reacts with 2-methyl-2-pentenal to produce 1-ethynyl-2-methyl penten-2-ol:
1-ethynyl-2-methyl penten-2-ol Preparation Products And Raw materials
Raw materials
SodiumAmmoniaSodium amideAcetyleneSODIUM ACETYLIDE2-Methyl-1-penteneLithium acetylide ethylenediamine complex