Levi Strauss Co.and Levi's Jeans Levi Strauss1853年在美国旧金山创立了牛仔裤生产公司Levi's LEVI STRAUSSO SAN FRANCISCO.CAL LEVI STRAUSS CO. RIVETED BLOUSERIVETED OVERALL CLOTHING Levi Strauss (1829-1902) 501 W33L34
靛蓝和靛玉红形成的过程 OH OH -CH2OH CH2OH 靛质(Indican colorless) Isatan B 异靛甲Meisoindigo ndoxy Isatin 靛玉红 靛蓝(Indigo,indigotin) 靛玉红(Indirubin) Chemistry Behind the Indigo
靛红Isatin 靛红isatin Isatis tinctoria Isatin was first obtained by Otto Linne Erdman in 1840 as a product from the oxidation of indigo dye by nitric acid and chromic acids. Isatin is a well-known natural product which can be found in plants of Genus Isatis and Couroupita Guianensis,it looks like an red-orange powder and also in humans,as a metabolic derivative of adrenaline
Indigo:In Search of the Color that Seduced the World INDIGO INDIGO NDIGO TEXTILES TECHNIQUE inDigo AND HISTORY "Indigo was more powerful than the gun," "At the time of the America Ind igo revolution,the dollar had no strength, and indigo cakes were used as currency". Catherine E. McKinley (1967-)
I got the blues..."Blue Gold" 药物化学结构研究基本方法的形成-Structure of Indigo in 1883 29 2CHCOOH +2H0 Adolf Von Baeyer 1835-1917 1905NP Emil Fischer Richard Willstatter H.Otto Wieland William H.Perkin 1852-1919,1902NP1872-1942,1915NP1877-1957,1927NP1860-1929 Berberine in 1910 In 1865 the Adolf Von Baeyer began working on the synthesis of indigo. He described his first synthesis in 1878 and a second synthesis in 1880.It was not until 1883 that Baeyer finally determined the structure of indigo