Aco

ACO, AcO, or Aco may refer to:

Organizations

Places

People

Other uses

Aco (musician)

Aco (born February 3, 1977 in Aichi Prefecture, Japan) is a female Japanese singer. She made her debut in 1995 with the pop single "Fuan nano" (不安なの). She is a part of Sony Music Japan. She explores different musical styles, with the albums Absolute Ego and Material displaying Electronica influences. Absolute Ego was produced by ex-Denki Groove keyboardist, Yoshinori Sunahara and The Other Side of Absolute Ego album contains remixes by Tricky, DJ Krush, and Silent Poets.

In 2003, after a two-year hiatus, she enlisted the help of the avant-garde audio-visual performance group portable [k]ommunity for her quieter, more delicate album, Irony. Irony has been called "one of the most beautiful albums to come out of Japan in 2003" with the music compared to an "airy lullaby".

Discography

Studio albums

Compilation albums

Acetoxy group

Acetoxy group, abbreviated AcO or OAc, is a chemical functional group of the structure CH₃-C(=O)-O-. It differs from the acetyl group CH₃-C(=O)- by the presence of one additional oxygen atom. The name acetoxy is the short form of acetyl-oxy.

Functionality

An acetoxy group may be used as a protection for an alcohol functionality in a synthetic route although the protecting group itself is called an acetyl group.

Alcohol protection

There are several options of introducing an acetoxy functionality in a molecule from an alcohol (in effect protecting the alcohol by acetylation):

An alcohol is not a particularly strong nucleophile and, when present, more powerful nucleophiles like amines will react with the above-mentioned reagents in preference to the alcohol.