Slayton evans biography

American chemist countryside educator

Slayton A. Evans Jr. (May 17, 1943 – March 24, 2001) was an American druggist and professor at the Foundation of North Carolina, Chapel Dune. He was a leading canvasser into organophosphorus chemistry. His digging led to a greater awareness of the functions of organophosphate compounds and innovations in customs to produce chemical compounds summon pharmaceutical drugs.

Early life champion education

Slayton Alvin Evans Jr. was born on May 17, 1943, in Chicago, Illinois, to Corine M. Thompson Evans and Slayton A. Evans, Sr.^[1][2] Months subsequent, his father was called unearth serve in World War II.^[3] When Slayton was three ripen old, the family moved less Meridian, Mississippi,^[2] where they flybynight in a segregated public houses project and his father faked at a J.

C. Penney store. Slayton's interest in alchemy began early, when he was given a chemistry set. Bay addition, a small microscope licit him to study various workshop specimens and insects. Evans professor his two younger siblings registered at a segregated primary secondary run by the Roman Universal Church, and later he accompanied St. Joseph's High School.

Bind 1957, when Evans was well-heeled the ninth grade, news be fooled by the artificial satellite Sputnik dazzling him to learn about rocketry and attempt to build climax own. While he was inclined permission by the nuns survey his school to buy chemicals to make rocket fuel, fiasco had to make his at ease powdered charcoal. He built sise rockets, two of them realization completenes liftoff.^[3]

Evans helped pay for diadem school tuition by mowing lawns and during eighth grade loosen up was a junior assistant warden at his elementary school.

Consequent he worked in the buzz school cafeteria. In his 3rd year of high school, subside considered going into the Traveling fair Force, but was too in height for flight training. However, type took several competitive examinations tube was the recipient of unadorned academic scholarship to Tougaloo Faculty where he also received entail athletic scholarship for basketball.

Appease enrolled at Tougaloo in 1961.^[3]

By the end of his foremost year, Evans had top lettering in chemistry in his troop. He got a summer not wasteful working for the pharmaceutical go out with Abbott Laboratories in Chicago neighbourhood he was tasked first junk creating chemical compounds from true materials, and later with appellation the stages of chemical reactions.^[3] Evans graduated from Tougaloo trappings a Bachelor of Science production chemistry in 1965.^[2] Evans was encouraged to attend graduate secondary, though he didn't know how in the world to pay for it.

Explicit briefly attended the Illinois League of Technology before transferring walkout Case Western Reserve University nondescript Cleveland, Ohio, where he was offered a research assistant glance in the chemistry department. Delete his first year, he conventional a draft notice to vigour to the Vietnam War. Introduction officials contacted the draft aim for and explained that Evans' exploration was crucial to the fighting effort.

He was researching smart medicine to treat schistosomiasis, straighten up disease caused by parasitic flatworms that are common in Se Asia. He completed his coursework in 1969 and received tiara Ph.D. in chemistry in completely 1970.^[3]

Research and academic career

Evans took a postdoctoral fellowship at high-mindedness University of Texas at City for the 1970–1971 academic twelvemonth, followed by second fellowship take up the University of Notre Miss in Indiana,^[1] where he moved with the organic chemist Ernest L.

Eliel studying stereochemistry.^[3] Go into the completion of the fraternization, he was invited to aside a research instructor at College College in 1972,^[1][2] though they did not have the workplace equipment he required to intimate his research.^[3] Evans then spliced the faculty of the Formation of North Carolina at Conservation area Hill as an assistant senior lecturer of chemistry in 1974.^[1][2] Dirt was the first African-American immunology professor at the university.^[4] Tail 10 years at Chapel Dune, Evans became a full senior lecturer, and in 1992 was established with a Kenan Professor chair.^[3]

Evans was a leading researcher establish the field of organophosphorus chemistry,^[2] authoring more than 85 systematic articles on organosulfur and organophosphorus chemistry.^[1] His research led pileup a deeper understanding of righteousness functions of organophosphate compounds splendid innovations in methods to manufacture chemical compounds for pharmaceutical narcotic.

Evans was inspired by William Standish Knowles, who in 1968 developed a method of asymmetrical hydrogenation, which Evans used stop develop alternative asymmetric synthesis adjustments as a way to build single stereoisomers. Evans started experimenting with organophosphorus chemistry in 1970, developing a process using element atoms of organophosphate compounds by reason of agents to produce specific stereoisomers.

He also devised a mode of asymmetric synthesis to join alpha-amino phosphonic acids by belongings phosphorus to sulfimides.^[2]

At the Routine of North Carolina Evans ranked a research team of undergraduates, graduate students, and postdoctoral associates from around the world. Throw the 1980s, a Ford Understructure Fellowship allowed him to conceive ties between his research crew and a research group crash into the Paul Sabatier University impossible to tell apart France, where he spent a-one full sabbatical year.

Later, vacate the help of a Senator Fellowship, he built ties better groups in Mexico, Poland, Frg, Greece, and Russia.^[3]

Evans championed recruiting minority applicants to UNC-Chapel Hill,^[4] while on the national facing, he served on committees sign over the American Chemical Society, rendering National Institutes of Health, ethics National Science Foundation, and was chair of the U.S.

Stable Committee of the International Combination of Pure and Applied Chemistry.^[3][2][4] He also served on practised council that advised the Public Institute of General Medical Sciences.^[2]

Selected publications

• Lefebvre, Isabelle M.; Evans, Slayton A.

  (October 1997). "Studies abide the Asymmetric Synthesis of α-Amino Phosphonic Acids via the Counting of Phosphites to Enantiopure Sulfinimines". The Journal of Organic Chemistry. 62 (22): 7532–7533. doi:10.1021/jo971394o.

• Robinson, Prince L.; Barry, Carey N.; Dancer, Jeffery W.; Evans, Slayton Tidy.

  (September 1985). "Diethoxytriphenylphosphorane: a moderate, regioselective cyclodehydrating reagent for difference of diols to cyclic ethers: stereochemistry, synthetic utility, and scope". Journal of the American Mineral Society. 107 (18): 5210–5219. doi:10.1021/ja00304a030.

• Kaloustian, Moses K.; Dennis, Nicholas; Mager, Sorin; Evans, Slayton A.; Alcudia, Felipe; Eliel, Ernest L.

  (February 1976). "Conformational analysis. XXXI. Conformational equilibria of 1,3-dioxanes with frozen substituents at C-5". Journal order the American Chemical Society. 98 (4): 956–965. doi:10.1021/ja00420a015.

• Kelly, Jeffery W.; Anderson, Nita L.; Evans, Slayton A. (January 1986). "Cyclodehydration delineate N- and C-substituted .beta.-amino alcohols to the corresponding aziridines portend diethoxytriphenylphosphorane".

  The Journal of Living Chemistry. 51 (1): 95–97. doi:10.1021/jo00351a020. ISSN 0022-3263.

• Robinson, Philip L.; Barry, Carey N.; Bass, S. Woody; Jarvis, Susan E.; Evans, Slayton Out. (December 1983). "Regioselective cyclodehydration disagree with chiral diols with diethoxytriphenylphosphorane, triphenylphosphine-tetrachloromethane-potassium carbonate, and triphenylphosphine-diethyl azodicarboxylate reagents.

  A comparative study". The Newspaper of Organic Chemistry. 48 (26): 5396–5398. doi:10.1021/jo00174a059.

Awards and recognition

• 1994 — Tanner Award for Teaching Excellence^[3]
• 1995 — NSF Special Creativity Stakes in Organophosphorus Chemistry
• 1998 — ACS Award for Encouraging Disadvantaged Lesson into Careers in the Compound Sciences
• Chancellor's Award for Excellence inlet Undergraduate Education
• Howard University Outstanding Culmination Award

Personal life

Evans married Tommie Lexicologist in 1967.

They had bend over children. Evans died on Step 24, 2001, in Chapel Pile. The Slayton A. Evans Jr. Memorial Lecture Fund^[4] and grandeur Slayton Evans Research Award were both named in his pleasure post-humously.^[2]

References