ETHER & THIOL

DIETHYL ETHER

simply known as ether,

• was first used as a surgical anesthetic in 1842.

ENFLURANE

halogenated inhalational anesthetic

CLOFIBRATE

lipid-lowering agent

• used for controlling the high cholesterol and triacylglyceride level in the blood. It belongs to the class of fibrates

GUAIFENESIN

treat coughs and congestion

• caused by the common cold, bronchitis, and other breathing illnesses,

• used as an EXPECTORANT, intended to help cough out phlegm from the airways.

Robitussin ®

Brand name of Guaifenesin:

CODEINE

potent pain-relieving drug,

• is the methyl ether of MORPHINE. Because ether is highly flammable, it has largely been replaced by less-flammable anesthetics, including nitrous oxide (N2O) and halothane.

METHYL T-BUTYL ETHER (MTBE)

is a gasoline additive

symmetrical ether.

If the alkyl substituents are identical, 

• the ether is a

unsymmetrical ether.

If the substituents are different, 

• the ether is a

Ether

• less dense

• less soluble in water 

• lower boiling points.

Ether

USE: 

• Solvents for fats 

• Oil

• Waxes

• Perfumes

• Resins

• Dyes

• gums and hydrocarbons

are used

• Insecticides

• Miticides 

• fumigants for soil.

VAPORS OF CERTAIN ETHERS

biomolecular hydration

alcohol undergo into ether

diethyl ehter

DEHYDRATION is commertially to produce

• Cleavage

• Autoxidation

Reaction of ETHER

hydrobromic acid

Most ethers can be cleaved by

AUTOXIDATION

pontaneous oxidation of a compound in air. 

oxygen

AUTOXIDATION - in the presence?,

ethers slowly autoxidize to FORM:

• hydroperoxides

• dialkyl peroxides.

• hydroperoxides

• dialkyl peroxides.

presence of oxygen, ethers slowly autoxidize to 

FORM:

CLEAVAGE

what ether reaction is present?

CLEAVAGE

what ether reaction is present?

AUTOXIDATION

what ether reaction is present?

AUTOXIDATION

what ether reaction is present?

Thiol

sulfur analogs of alcohols.

mercaptans.

THIOL they are referred to as?

nature

• Cysteine and Glutathione

A number of thiols are found in?

• mercury

• arsenic

THIOLS strong complexes with heavy metal cations such as WHAT ELEMENT?

Thioethers or Sulfides

analogues of ethers?

Hydrogen sulfides

Thioethers is DERIVED from?

Thioethers

• unpleasant smell.

Thioethers

• colorless oily liquids.

insoluble

Thioethers is WHAT IN WATER

ethers & alcohols.

Thioethers is SOLUBLE IN?

Thioethers

CIMETIDINE

used to prevent and treat symptoms of heartburn associated with acid indigestion and sour stomach.

CIMETIDINE

• called H2 blockers. 

• It decreases the amount of acid made in the stomach.

ZOLLINGER-ELLISON SYNDROME

 is a rare digestive disorder

methoxy

ethoxy

isopropoxy

sec-butoxy

tert-butoxy