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Organic superbases are mostly charge-neutral, nitrogen containing species, where nitrogen act as a proton acceptor. These include the phosphazenes, phosphanes , amidines, and guanidines. Other organic compounds that meet the physicochemical or structural definitions of 'superbase' include proton chelators like the aromatic proton sponges and ...
In chemistry, the Verkade base (or Verkade superbase) is a powerful superbase with the formula P(MeNCH 2 CH 2) 3 N. A colorless oil, it is an aminophosphine although its inventor John Verkade called it proazaphosphatrane.
Associated Wholesale Grocers, Inc. (AWG) is a retailer-owned wholesale grocery cooperative that supplies independently owned supermarkets and grocery stores. [1] It serves more than 4,000 locations in 36 states in the Midwest , the Southeast , and the Southwest , and from 8 full-line wholesale divisions.
The high reactivity of Schlosser's base is exploited in synthetic organic chemistry for the preparation of organometallic reagents. For example, potassium benzyl can be prepared from toluene using this reagent. Benzene and cis/trans-2-butene are also readily metalated by Schlosser's base. Toluene, benzene, and butenes react only slowly with ...
United Natural Foods, Inc. (UNFI) is a Providence, Rhode Island–based natural and organic food company. The largest publicly traded wholesale distributor of health and specialty food in the United States and Canada, [3] [4] it is Whole Foods Market's main supplier, with their traffic making up over a third of its revenue in 2018.
The term login comes from the verb (to) log in and by analogy with the verb to clock in. Computer systems keep a log of users' access to the system. The term "log" comes from the chip log which was historically used to record distance traveled at sea and was recorded in a ship's log or logbook.
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