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Cover Picture: Eur. J. Org. Chem. 8/2002
Author(s) -
Kaupp Gerd,
NaimiJamal M. Reza
Publication year - 2002
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/1099-0690(200204)2002:8<1343::aid-ejoc1343>3.0.co;2-3
Subject(s) - chemistry , yield (engineering) , cover (algebra) , cascade , atom economy , solid state , product (mathematics) , combinatorial chemistry , organic chemistry , thermodynamics , catalysis , chromatography , mathematics , mechanical engineering , engineering , physics , geometry
The cover picture shows a series of cascade reactions starting with o ‐phenylenediamine and providing quantitative yields in the solid state with unparalleled atom economy. The crystalline products arise directly in pure form. Even melt reactions can give 100% yield, if the product crystallizes directly. If the yield is less than 100% of one single product, purification procedures decrease the value for the environment. The article by G. Kaupp and M. R. Naimi on p. 1368 ff. highlights the benefits of waste‐free syntheses.