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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 ...
International reply coupon. An international reply coupon (IRC) is a coupon that can be exchanged for one or more postage stamps representing the minimum postage for an unregistered priority airmail letter of up to twenty grams sent to another Universal Postal Union (UPU) member country. IRCs are accepted by all UPU member countries.
Jack was the only one of his family to be born in America. His father and two of his brothers did odd jobs for a living, resulting in earnings of $9.00 a week. His oldest brother, Richard Shapiro, worked as an artist on the streets of the Bronx [citation needed] Shapiro attended Evander Child High School in the Bronx. While in high school, he ...
Robert Shapiro (28 November 1935 – 15 June 2011) was professor emeritus of chemistry at New York University. He is best known for his work on the origin of life , having written two books on the topic: Origins, a Skeptic’s Guide to the Creation of Life on Earth (1986) and Planetary Dreams (1999).
PromotionCode.org is a free resource for online shoppers and maintains affiliate partnerships with major retailers such as Target, Wal-Mart, HP and Verizon. The site both originates and disseminates print coupons and online promotion codes. PromotionCode.org maintains a community of shoppers that exchange user-submitted codes and a codes-by ...
Worlds collided at the White House as everyone — from former President Clinton and Hillary Clinton to actor Sean Penn, NFL Commissioner Roger Goodell, and “Reading Rainbow’s” LeVar Burton ...
Jesse Grant/Getty Images Ryan Phillippe took a walk down memory lane with a photo of ex-wife Reese Witherspoon. “We were hot and drenched in late 90’s angst @reesewitherpoon (such a cooler ...
Coupon. In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product . Customarily, coupons are issued by manufacturers of consumer packaged goods [1] or by retailers, to be used in retail stores as a part of sales promotions. They are often widely distributed through mail ...
Tesla’s dense network of fast chargers has been such an effective moat against competition that its U.S. rivals began requesting access last year.
Harold Seymour Shapiro (2 April 1928 [1] – 5 March 2021) was a professor of mathematics at the Royal Institute of Technology in Stockholm, Sweden, best known for inventing the so-called Shapiro polynomials (also known as Golay–Shapiro polynomials or Rudin–Shapiro polynomials) and for work on quadrature domains. [citation needed] His main ...