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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 ...
Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
Drug coupon. A drug coupon is a coupon intended to help consumers save money on pharmaceutical drugs. They are offered by drug companies or distributed to consumers via doctors and pharmacists, and most can be obtained online. There are drug coupons for drugs from many categories such as cholesterol, acne, migraine, allergies, etc.
Here's how you can save yourself as much as $820 annually in minutes (it's 100% free) Thanks to Jeff Bezos, you can now use $100 to cash in on prime real estate — without the headache of being a ...
A free sample or "freebie" is a portion of food or other product (for example beauty products) given to consumers in shopping malls, supermarkets, retail stores, or through other channels (such as via the Internet). [1] Sometimes samples of non-perishable items are included in direct marketing mailings. The purpose of a free sample is to ...
Shapiro was the author or co-author of 70 articles in scientific journals specializing in organic and pharmaceutical chemistry. The subject range included blood chemistry, anesthetics, androgens, biguanides, diuretics, indanols, indandiones, triazines and others. A total of 76 patents bear his name as inventor or co-inventor, all on subjects ...