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Akira Ogata (緒方 章, Ogata Akira, October 26, 1887 in Osaka Prefecture, Japan – August 22, 1978) was a Japanese chemist and the first to synthesize methamphetamine in crystalline form in 1919. [ 1 ]
As early as 1919, Akira Ogata synthesized methamphetamine via reduction of ephedrine using red phosphorus and iodine. Later, the chemists Hauschild and Dobke from the German pharmaceutical company Temmler developed an easier method for converting ephedrine to methamphetamine.
Shortly after amphetamine, methamphetamine was synthesized from ephedrine in 1893 by Japanese chemist Nagai Nagayoshi. [26] Three decades later, in 1919, methamphetamine hydrochloride was synthesized by pharmacologist Akira Ogata via reduction of ephedrine using red phosphorus and iodine. [27]
In 1907, Japanese chemist Kikunae Ikeda boiled down a huge amount of kombu seaweed to extract a substance – glutamate. ... The tour, mostly in Japanese, is open to the public and is free of ...
In 1907, while observing his wife prepare a homemade broth using kelp for yudofu (boiled tofu), Japanese chemist and university professor Kikunae Ikeda became inspired to capture and replicate the ...
Ogata was arrested after two undercover officers, who had been monitoring the business, went inside to confirm that sex services were being offered, without using them, Suffolk Police said.
Methamphetamine was later synthesized in crystalline form in 1919 by Akira Ogata. Isolation of rotenone from Derris elliptica in 1902. Nagayoshi named the substance after the Japanese name for the plant, roten. Synthesis and structural elucidation of ephedrine in 1929.
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