- protecting group
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Any chemical entity that is temporarily reacted with a functional group so as to protect it from a subsequent reaction
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protecting group
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Protecting group — A protecting group or protective group is introduced into a molecule by chemical modification of a functional group in order to obtain chemoselectivity in a subsequent chemical reaction. It plays an important role in multistep organic synthesis.… … Wikipedia
group — [gruːp] noun [countable] 1. also group of companies ORGANIZATIONS a large business organization that consists of several companies that all have the same owner: • Burmah Castrol, the lubricants group • the sale of the Rover Group to BMW … Financial and business terms
Acetoxy group — The structure of the 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 … Wikipedia
Special Tactics Group — Infobox Military Unit unit name= Armed Offenders Squad caption=Special Tactics Group Patch country= type= branch= New Zealand Police dates= 1964 Present specialization= Domestic Counter Terrorism and Law Enforcement command structure= Under… … Wikipedia
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253d Combat Communications Group — Infobox Military Unit unit name= 253d Combat Communications Group caption= 253d Combat Communications Group logo dates= 19xx–present country= United States allegiance= branch= United States Air Force type= role= size= command structure= current… … Wikipedia
Victoria Police Special Operations Group — The Special Operations Group (SOG) is the Police Tactical Group of the Victoria Police.HistoryThe Special Operations Group was formed in 1977 [ [http://www.police.vic.gov.au/content.asp?Document ID=173 Victoria Police Special Operations Group… … Wikipedia
Liberty (pressure group) — Liberty The National Council for Civil Liberties (NCCL) Motto To protect civil liberties and promote human rights for everyone Formation 1 January 1934 (1934 01 01) (77 years ago) Type Political pressure group … Wikipedia
Gogo (ethnic group) — The Gogo (or Wagogo) are a Bantu ethnic and linguistic group based in the Dodoma Region of central Tanzania. In 1992 the Gogo population was estimated to number 1,300,000. [http://www.ethnologue.com/show language.asp?code=gog] The Gogo have… … Wikipedia
U.S. Carrier Group tactics — Naval tactics have played a crucial role in modern battles and wars. The presence of land, changing water depths, weather, detection and electronic warfare, the speed at which actual combat occurs and other factors especially air power render… … Wikipedia
