By Thomas Wirth (auth.), Dr. Thomas Wirth (eds.)
Embarking on a brand new millennium, the booklet in fingers describes the hot advancements of organsoselenium chemistry in all elements. numerous special scientists have contributed, with their ability and services, making this ebook a necessary resource for artificial orientated natural chemists and for these, who are looking to get a primary perception into the chemistry of selenium.
Read Online or Download Organoselenium Chemistry: Modern Developments in Organic Synthesis PDF
Best chemistry books
The 1st NATO technological know-how discussion board used to be held in Biarritz in September 1990. This Taormina convention is the second one in a sequence that we want to be a protracted one and that i think that it has equalled the good fortune of its predecessor. In establishing those conferences the NATO technology Committee desired to assemble best specialists to check fields of robust current curiosity.
- Tsca's Impact on Society and Chemical Industry (ACS symposium series)
- Solvent Extraction and Praciice
- Chemical Process Control: an Introduction to Theory and Practice
- Kitchen improvised fertilizer explosives
- Quality and Reliability in Analytical Chemistry by George E. Baiulescu (2000-09-28)
- Progress in Heterocyclic Chemistry: A Critical Review of the 2004 Literature Preceded by Two Chapters on Current Heterocyclic Topics(Hardback) - 2005 Edition
Additional info for Organoselenium Chemistry: Modern Developments in Organic Synthesis
Unless one of the few commercially available selenenylating agents is employed, the first step consists of the preparation of the appropriate reagent. Next, the reaction with an unsaturated compound, in the presence of an external or an internal nucleophile, affords the addition product which in most cases is not the final product but an intermediate which must be isolated and purified. Often the molecule is subjected to further manipulations that are favored by the presence of the selenium functionality.
These were isolated in about 30% yield. Scheme 44. Catalytic Asymmetric Methoxyselenenylation-Elimination Reactions of b-Methyl- styrene Electrophilic Selenium, Selenocyclizations 51 Scheme 45. Asymmetric Oxyselenenylation-Elimination Reactions of b,g-Unsaturated Esters and Nitriles Those described above are the first experiments in the field of the selenium catalyzed asymmetric syntheses. The results obtained from these new reactions are encouraging and justify further researches in order to develop more stereoselective and efficient reagents and reaction conditions.
Denis JN, Vincens J, Krief A (1979) Tetrahedron Lett 2697 55. Hassner A, Amarasekara A (1987) Tetrahedron Lett 28:5185 56. Giuliano RM, Duarte F (1991) Synlett 419 57. Tiecco M, Testaferri L, Temperini A, Bagnoli L, Marini F, Santi C (1998) Synth Commun 28:2617 58. Tingoli M, Tiecco M, Chianelli D, Balducci R, Temperini A (1991) J Org Chem 56:6809 59. Clive DLJ, Chittattu G, Curtis N, Kiel WA,Wong CK (1977) J Chem Soc Chem Commun 725 60. Cardillo G, Orena M (1990) Tetrahedron 46:3321 61. Baldwin JE (1976) J Chem Soc Chem Commun 734 and 736 62.