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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 ...
Engro Corporation Limited, formerly Engro Chemicals Pakistan Limited, and commonly known as Engro (Urdu pronunciation: [ɛn.ˈɡɾoː] en-GROW), is a Pakistani conglomerate headquartered in Karachi. It was founded as Esso Fertilizer in 1965 by Esso .
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 ...
A1 Cash & Carry is a wholesale distributor of foodservice products, disposables, and sanitation/janitorial products in Canada. This company is partially owned by a Canadian-based Pakistani businessman Amjad Pervaiz. With a range of over 250 food products in over 10 major categories, National Foods is one of the prominent food companies in Pakistan.
ICI Pakistan also acted as an indenting agent for various products, supporting Pakistani importers and industries. [3] The company was listed on the Karachi Stock Exchange in July 1957. [4] It managed through offices in Karachi and Lahore, with the latter located in the Co-operative Insurance building opposite the Lahore High Court on the Mall. [3]
Jodia Bazaar (Urdu: جوڑیا بازار) is a bazaar located in Karachi, Pakistan. [1] The bazaar comprises a wholesale market for commodities including flour, wheat, rice, sugar, and legumes. [2] [3] Jodia Bazaar is also known as the main market of hand fans in Pakistan. [4]
Organic products can vary a lot in price. According to a study performed by consumerreports.org, organic products compared to non-organic products ranged anywhere from 13 percent cheaper to 303 percent more expensive. The reason why organic products cost so much more on average is the production process. Many factors contribute to this cost.
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.