allyl – מילון אנגלי-אנגלי
allyl
adj.
containing the allyl group (Chemistry)
Allyl
An
allyl' group is a substituent with the structural formula H2C=CH-CH2R, where R is the rest of the molecule. It consists of a methylene bridge (-CH2-) attached to a vinyl group (-CH=CH2). The name is derived from the Latin word for garlic, Allium sativum. In 1844,
Theodor Wertheim isolated an allyl derivative from garlic oil and named it "Schwefelallyl". The term allyl applies to many compounds related to H
2C=CH-CH
2, some of which are of practical or of everyday importance for example
allyl chloride.
allyl
Noun
1. the univalent unsaturated organic radical C3H5; derived from propylene
(synonym) allyl group, allyl radical
(hypernym) group, radical, chemical group
Allyl
(n.)
An organic radical, C3H5, existing especially in oils of garlic and mustard.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
allyl (allylic; allyl group; allyl radical)
A molecular fragment derived by removing a methyl hydrogen from propene (-CH2-CH2=CH2). For example, "allyl chloride" is 3-chloropropene, Cl-CH2-CH2=CH2.
