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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 ...
Shapiro was a founding member of the American Association of Physical Anthropologists in 1930 (AAPA) and between 1935 and 1939 served a term as its secretary and subsequently as vice-president (1941–42). He served as president of the American Anthropological Association in 1948, and president of the American Ethnological Society from 1942 to ...
Robert H. Shapiro (July 18, 1935 – August 21, 2004) was an American chemist and the first provost of the United States Naval Academy. Education and career [ edit ] After serving with both the United States Navy and the United States Marine Corps , Shapiro earned degrees in chemistry and pharmacy at the University of Connecticut , and then ...
The Gruen Watch Company was formerly one of the largest watch manufacturers in the United States. It was in business from about 1894 to 1958 and was based in Cincinnati, Ohio. It was founded in 1894 by German-born watchmaker Dietrich Grün, who changed the spelling of his name to "Gruen" because the letter ü does not exist in English. [1]
The Shapiro time delay effect, or gravitational time delay effect, is one of the four classic Solar System tests of general relativity. Radar signals passing near a massive object take slightly longer to travel to a target and longer to return than they would if the mass of the object were not present. The time delay is caused by time dilation ...
Stewart Shapiro (/ ʃ ə ˈ p ɪər oʊ /; born 1951) is O'Donnell Professor of Philosophy at the Ohio State University and distinguished visiting professor at the University of Connecticut. He is a figure in the philosophy of mathematics where he defends the abstract variety of structuralism .
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