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The Shapiro reaction or tosylhydrazone decomposition is an organic reaction in which a ketone or aldehyde is converted to an alkene through an intermediate hydrazone in the presence of 2 equivalents of organolithium reagent. [1] [2] [3] The reaction was discovered by Robert H. Shapiro in 1967. [4] The Shapiro reaction was used in the Nicolaou ...
Ehud Shapiro ( Hebrew: אהוד שפירא; born 1955) is an Israeli scientist, entrepreneur, artist, and political activist who is Professor of Computer Science and Biology at the Weizmann Institute of Science. [2] With international reputation, he made fundamental contributions to many scientific disciplines, [3] laying in each a long-term ...
Sumner Shapiro (January 13, 1926 – November 14, 2006) was a United States Navy rear admiral who served as Director of the Office of Naval Intelligence from 1978 to 1982. [4] Early life and education [ edit ]
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World War I [j] or the First World War (28 July 1914 – 11 November 1918) was a global conflict between two coalitions: the Allies and the Central Powers. Fighting took place throughout Europe, the Middle East, Africa, the Pacific, and parts of Asia.
RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.
Amazon was founded on July 5, 1994, by Jeff Bezos in Bellevue, Washington. [6] The company originally started as an online marketplace for books but gradually expanded its offerings to include a wide range of product categories. This diversification led to it being referred to as "The Everything Store". [7]
Paul Shapiro (brother) [1] Ryan Noah Shapiro (born 1976) [citation needed] is a doctoral student at the Massachusetts Institute of Technology Doctoral Program in History, Anthropology, Science, Technology, and Society (HASTS), a U.S. Freedom of Information Act (FOIA) researcher, and an advocate for animal rights. [2] [3]