As nouns the difference between tosyl and tolyl
is that tosyl is (organic chemistry|especially in combination) toluenesulfonyl, phenylmethylsulfonyl while tolyl is (organic chemistry) any of the three isomeric univalent aromatic radicals derived from toluene.
tosyl
English
Noun
(
wikipedia tosyl)
(
en noun)
(organic chemistry, especially in combination) toluenesulfonyl, phenylmethylsulfonyl
Synonyms
*ptosyl (strictly p-tosyl)
tolyl
English
Noun
(
en noun)
(organic chemistry) Any of the three isomeric univalent aromatic radicals derived from toluene