(3E)-ethyl-4-ethoxy-3-methyl-2-oxobut-3-enoate

(3E)-ethyl-4-ethoxy-3-methyl-2-oxobut-3-enoate - Names and Identifiers

Name	(3E)-ethyl-4-ethoxy-3-methyl-2-oxobut-3-enoate
Synonyms	(E)-Ethyl 4-ethoxy-3-Methyl-2-oxobut-3-enoate ethyl (3E)-4-ethoxy-3-methyl-2-oxobut-3-enoate (3E)-ethyl-4-ethoxy-3-methyl-2-oxobut-3-enoate (3E)-ethyl-4-ethoxy-3-Methyl-2-oxobut-3-enoate
CAS	1071847-27-2
InChI	InChI=1S/C9H14O4/c1-4-12-6-7(3)8(10)9(11)13-5-2/h6H,4-5H2,1-3H3/b7-6+

(3E)-ethyl-4-ethoxy-3-methyl-2-oxobut-3-enoate - Physico-chemical Properties

Molecular Formula	C9H14O4
Molar Mass	186.21
Storage Condition	2-8°C

(3E)-ethyl-4-ethoxy-3-methyl-2-oxobut-3-enoate - Introduction

Ethyl (3E)-4-ethoxy-3-methyl-2-carbonyl-3-butenoate, chemical formula C9H14O3, is an organic compound. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: colorless liquid
-Melting point:-61°C
-Boiling point: 187-189°C
-Density: 0.978 g/mL
-Solubility: Soluble in many organic solvents such as ethanol, ether and benzene

Use:
(3E)-4-ethoxy -3-methyl -2-carbonyl -3-butenoic acid ethyl ester has certain application value, the main uses include:
-synthetic drugs: can be used as intermediates in drug synthesis, involved in the synthesis of various drugs and bioactive macromolecules.
-Chemical research: It can be used for the synthesis of carboxylating agents and carboxylic acid derivatives in organic synthesis reactions.
-Cosmetics: used as an additive in personal care and cosmetic products.

Preparation Method:
Ethyl (3E)-4-ethoxy-3-methyl-2-carbonyl-3-butenoate can be prepared by the following steps:
1. Under the protection of nitrogen, ethyl methacrylate reacts with excess methanol to generate 2-methyl formate.
2. React 2-methyl formate with excess sodium isopropoxide in ethanol to generate (3E)-4-ethoxy-3-methyl -2-carbonyl -3-butenoic acid ethyl ester.

Safety Information:
Regarding the toxicity and safety of (3E)-4-ethoxy-3-methyl-2-carbonyl-3-butenoic acid ethyl ester, the following is some relevant information:
-May cause irritation by inhalation or contact, direct contact with skin and eyes should be avoided.
-should be in a well ventilated place to operate, avoid inhalation of its vapor.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-should be stored in a cool, dry, ventilated place, away from fire and oxidant.
-In use and storage, should strictly follow the relevant safety practices and waste disposal regulations.

However, specific safety information should refer to the safety data sheet (SDS) of the compound and relevant regulations to ensure the correct use and handling of dangerous goods.

Last Update：2024-04-09 20:45:29