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The tert-butyloxycarbonyl protecting group or tert-butoxycarbonyl protecting group [1] (BOC group) is an acid-labile protecting group used in organic synthesis. The BOC group can be added to amines under aqueous conditions using di- tert -butyl dicarbonate in the presence of a base such as sodium hydroxide :
The Boc group can be added to the amine under aqueous conditions using di-tert-butyl dicarbonate in the presence of a base such as sodium bicarbonate. Protection of the amine can also be accomplished in acetonitrile solution using 4-dimethylaminopyridine (DMAP) as the base.
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In 1975, the company became BOC International Ltd, reflecting its success in developing business outside of Britain, and in products beyond oxygen. An important part of BOC's history was the acquisition of Airco Industrial Gases, an American competitor. After 11 years of litigation, in 1978 Airco became a wholly owned subsidiary of BOC.
The Daily was the world's first iPad-only (with Galaxy Tab 10.1 and Facebook support added later) news app in the United States and Australia, owned by News Corporation. [clarification needed] It was originally planned to launch The Daily in San Francisco on January 19, 2011; however, the launch was delayed by News Corporation and Apple. [1]
BOC (gene), human gene; BOC Challenge, now renamed the Velux 5 Oceans Race, a round-the-world single-handed sailing yacht race named after its then main sponsor BOC; Body of Christ, a term in Christian theology with two separate connotations; Bottom of container, a parachute deployment system. British Overseas citizen, one kind of British ...
The Digest, formerly published as The English and Empire Digest, is a digest of case law. It is the "major modern work" of this kind. It is the "major modern work" of this kind. Its coverage is "wide" but incomplete, and it can be "complicated to use" if the user does not understand how the editions overlap. [ 1 ]
The Bank of Canada (BoC; French: Banque du Canada) is a Crown corporation and Canada's central bank. [4] Chartered in 1934 under the Bank of Canada Act , it is responsible for formulating Canada's monetary policy, [ 5 ] and for the promotion of a safe and sound financial system within Canada. [ 6 ]