Amé Jules Pictet (12 July 1857 – 11 March 1937) was a Swiss
chemist
A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...
. He discovered the
Pictet–Spengler reaction
The Pictet–Spengler reaction is a chemical reaction in which a β-arylethylamine undergoes Condensation reaction, condensation with an aldehyde or ketone followed by ring closure. The reaction was first discovered in 1911 by Amé Pictet and The ...
, and the related
Pictet–Hubert reaction
Phenanthridine is a nitrogen heterocyclic compound with the formula . It is a colorless solid, although impure samples can be brownish. It is a precursor to DNA-binding fluorescent dyes through Intercalation (biochemistry), intercalation. Examp ...
and
Pictet–Gams reaction.
He is credited with publishing the first synthesis of
nicotine
Nicotine is a natural product, naturally produced alkaloid in the nightshade family of plants (most predominantly in tobacco and ''Duboisia hopwoodii'') and is widely used recreational drug use, recreationally as a stimulant and anxiolytic. As ...
.
[
]
Biography
Pictet was born in Geneva
Geneva ( , ; ) ; ; . is the List of cities in Switzerland, second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the ca ...
on 12 July 1857, the son of and Gabrielle Elisabeth Fuzier-Cayla. His father, a great-nephew of Augustin Pyramus de Candolle
Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss people, Swiss botany, botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple ...
, was an associate, then the director, of the Pictet Group
The Pictet Group, known as Pictet, is a Swiss multinational private bank and financial services company founded in Switzerland. Headquartered in Geneva, it is one of the largest Swiss banks and primarily offers services in wealth management, ass ...
. Pictet studied chemistry at the Royal Saxon Polytechnic in Dresden
Dresden (; ; Upper Saxon German, Upper Saxon: ''Dräsdn''; , ) is the capital city of the States of Germany, German state of Saxony and its second most populous city after Leipzig. It is the List of cities in Germany by population, 12th most p ...
from 1877, with Rudolf Schmitt, then at the University of Bonn
The University of Bonn, officially the Rhenish Friedrich Wilhelm University of Bonn (), is a public research university in Bonn, North Rhine-Westphalia, Germany. It was founded in its present form as the () on 18 October 1818 by Frederick Willi ...
in 1879, with August Kekulé
Friedrich August Kekulé, later Friedrich August Kekule von Stradonitz ( , ; 7 September 1829 – 13 July 1896), was a German organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially ...
and Richard Anschütz
Carl Johann Philipp Noé Richard Anschütz (10 March 1852 – 8 January 1937) was a German organic chemist.[University of Geneva
The University of Geneva (French: ''Université de Genève'') is a public university, public research university located in Geneva, Switzerland. It was founded in 1559 by French theologian John Calvin as a Theology, theological seminary. It rema ...]
the following year, with Carl Graebe
Carl Graebe (; 24 February 1841 – 19 January 1927) was a German industrial and academic chemist from Frankfurt am Main who held professorships in his field at Leipzig, Königsberg, and Geneva. He is known for the first synthesis of the econom ...
as his doctoral advisor
A doctoral advisor (also dissertation director, dissertation advisor; or doctoral supervisor) is a member of a university faculty whose role is to guide graduate students who are candidates for a doctorate, helping them select coursework, as well ...
.[
Pictet lectured at the University of Geneva in a variety of roles: He became a '']Privatdozent
''Privatdozent'' (for men) or ''Privatdozentin'' (for women), abbreviated PD, P.D. or Priv.-Doz., is an academic title conferred at some European universities, especially in German-speaking countries, to someone who holds certain formal qualifi ...
'' in 1884, extraordinary professor of organic chemistry
Organic chemistry is a subdiscipline within chemistry involving the science, scientific study of the structure, properties, and reactions of organic compounds and organic matter, organic materials, i.e., matter in its various forms that contain ...
in 1894, then ordinary professor of pharmaceutical, biological and toxicological chemistry in 1899, and was professor of organic and inorganic chemistry
Inorganic chemistry deals with chemical synthesis, synthesis and behavior of inorganic compound, inorganic and organometallic chemistry, organometallic compounds. This field covers chemical compounds that are not carbon-based, which are the subj ...
from 1906 to 1932.[ Pictet was the director of the university's Institute of Chemistry, and also taught at the ]Geneva College
Geneva College is a private Christian college in Beaver Falls, Pennsylvania, United States. Founded in 1848 in Northwood, Ohio, the college moved to its present location in 1880. It enrolls about 1,400 undergraduates in over 30 majors, as wel ...
from 1888 to 1893.[
Pictet published over 160 works dealing with the structure and synthesis of heterocycles (]phenanthridine
Phenanthridine is a nitrogen heterocyclic compound with the formula . It is a colorless solid, although impure samples can be brownish. It is a precursor to DNA-binding fluorescent dyes through intercalation. Examples of such dyes are ethidiu ...
, chrysoidine, alkaloids
Alkaloids are a broad class of naturally occurring organic compounds that contain at least one nitrogen atom. Some synthetic compounds of similar structure may also be termed alkaloids.
Alkaloids are produced by a large variety of organisms i ...
) and saccharides
A carbohydrate () is a biomolecule composed of carbon (C), hydrogen (H), and oxygen (O) atoms. The typical hydrogen-to-oxygen atomic ratio is 2:1, analogous to that of water, and is represented by the empirical formula (where ''m'' and ''n'' ma ...
, as well as the synthesis of disaccharides
A disaccharide (also called a double sugar or ''biose'') is the sugar formed when two monosaccharides are joined by glycosidic linkage. Like monosaccharides, disaccharides are simple sugars soluble in water. Three common examples are sucrose, l ...
(maltose
}
Maltose ( or ), also known as maltobiose or malt sugar, is a disaccharide formed from two units of glucose joined with an α(1→4) bond. In the isomer isomaltose, the two glucose molecules are joined with an α(1→6) bond. Maltose is the tw ...
, lactose
Lactose is a disaccharide composed of galactose and glucose and has the molecular formula C12H22O11. Lactose makes up around 2–8% of milk (by mass). The name comes from (Genitive case, gen. ), the Latin word for milk, plus the suffix ''-o ...
).[ He co-founded the Swiss Chemical Society in 1901 and the periodical ''Helvetica Chimica Acta'' in 1917.][ Pictet was an honorary member of numerous societies, an Officer of the ]Legion of Honour
The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and Civil society, civil. Currently consisting of five cl ...
, and a ''doctor honoris causa
An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or ''ad hono ...
'' of the universities of Cambridge
Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...
(1923) and Brussels
Brussels, officially the Brussels-Capital Region, (All text and all but one graphic show the English name as Brussels-Capital Region.) is a Communities, regions and language areas of Belgium#Regions, region of Belgium comprising #Municipalit ...
(1930).[
]
References
External links
*
Pictet Family Archives
{{DEFAULTSORT:Pictet, Ame
1857 births
1937 deaths
Scientists from Geneva
Swiss people of French descent
19th-century Swiss chemists
20th-century Swiss chemists
TU Dresden alumni
University of Bonn alumni
University of Geneva alumni
Academic staff of the University of Geneva
Officers of the Legion of Honour
Amé