Plattner

Plattner H 1989 Electron Microscopy of Subcellular Dynamics (London CRC)... 

Knoll G and Plattner H 1989 Ultrastructural analysis of biological membrane fusion and a tentative correlation with biochemical and biophysical aspects Electron Microscopy of Subcellular Dynamics ed H Plattner (London CRC) pp 95-117... 

Nucleophilic attack on oxirane carbon usually proceeds with inversion of configuration (Scheme 44) as expected for Sn2 reactions, even under acid conditions (Scheme 45). Scheme 45 also illustrates the fact that cyclohexene oxides open in a fran5-diaxial manner this is known as the Fiirst-Plattner rule (49HCA275) and there are very few exceptions to it. 

PFAU - PLATTNER Cyclopropane synthesis DIazoalkane insertion Into olelins wtth lormation of cyclopropanes or ring enlargement ol aromatics to cydoheptatnenes see also lormation ol pyrazoHnes (von Pechman). 

An unnamed third alkaloid, C2sH39(4j)03N, has been isolated Ruzieka, Plattner and Engel 1 from E. couminga by ehromatograp fraetionation of the residual alkaloids after removal of seeondary bases nitrous aeid. It has m.p. 149-151°, and [a] ° — 47° (EtOH), and forms aeetyl derivative, m.p. 100°. 

A. Furst and P. A.Plattner,yl )5. Papers, 12th Intern. Congr. Pure Appl. Chem., New York, 1951, 409. 

Several routes to 2,3-diketones have been reported. The most practical and general method is that of Ruzicka, Plattner and Furrer as adapted by Nace and Nelander for synthesis of the diosphenol corresponding to 5a-pregnane-2,3,20-trione (44) starting from 5a-pregnane-3,20-dione (40). The overall yield of diosphenol (44) by this route is 62% based on... 

---