J agents

Baner, B., Muller, J.P., OdeU, J. Agent uml A formalism for specifying multiagent software systems. Int. Journal of Software Engineering and Knowledge Engineering 11, 91 103 (2000)... 

Callantine, T. J. Agents for Analysis and Design of Complex Systems. Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, 2001, 567-573. 

Mordant acid dyes combine simultaneously with the mordanting agent (generally Cr(OH)j) and the fibre the dyestuff generally contains ortho OH -azo or OH-OH groups. 

The higher chromium fluorides, CrFstrong oxidizing agents, immediately hydrolysed by water,... 

M. J. Rosen and H. A. Goldsmith, Systematic Analysis of Surface-Active Agents, Wiley-Interscience, New York, 1972. 

W, D J Willock, C R A Catlow, J M Thomas and G J Hutchings 1996. De Novo Design of icture-directing Agents for the Synthesis of Microporous Solids. Nature 382 604-606. 

Table 1. Reaciivicy of reducing agents towards functional groups (adapted from J. B. Hendrickson, O. J. Cram, and G. S. Hammond, Organic Chemistry, 3rd ed., McGraw-Hill 1970, with modi(icaiiotis. ...

In cases where Noyori s reagent (see p. 102f.) and other enantioselective reducing agents are not successful, (+)- or (—)-chlorodiisopinocampheylborane (Ipc BCl) may help. This reagent reduces prochiral aryl and tert-alkyl ketones with exceptionally high enantiomeric excesses (J. Chandrasekharan, 1985 H.C. Brown, 1986). The initially formed boron moiety is usually removed hy precipitation with diethanolamine. Ipc2BCl has, for example, been applied to synthesize polymer-supported chiral epoxides with 90% e.e. from Merrifield resins (T. Antonsson, 1989). 

The widely used Moifatt-Pfltzner oxidation works with in situ formed adducts of dimethyl sulfoxide with dehydrating agents, e.g. DCC, AcjO, SO], P4O10, CCXTl] (K.E, Pfitzner, 1965 A.H. Fenselau, 1966 K.T. Joseph, 1967 J.G. Moffatt, 1971 D. Martin, 1971) or oxalyl dichloride (Swem oxidation M. Nakatsuka, 1990). A classical procedure is the Oppenauer oxidation with ketones and aluminum alkoxide catalysts (C. Djerassi, 1951 H. Lehmann, 1975). All of these reagents also oxidize secondary alcohols to ketones but do not attack C = C double bonds or activated C —H bonds. 

The pomegranate alkaloids, pelletierine (46) and pseudopelletierine (48) as well as minor accompanying bases, have a long history as salts of tannic acid as an anthelmintic mixture for intestinal pinworms (see Antiparasitic AGENTS, ANTHELMINTICS). The alkaloids themselves (as the taimates) are obtained from pomegranate tree (Punkagranatum L.) root bark and are among the few bases named after an individual (P. J. Pelletier) rather than a plant. 

J. Farewell, ed.. Commercially Available Chemical Agents for Paper and Paperboard Manufacture, TAPPI Press, Adanta, Ga., 1990, pp. 17, 58—59. 

A. Keerkenaar, in R. A. Fromtiing, ed.. Recent Trends in the Discovey, Development and Evaluation of Antifungal Agents, J. R. Prouse, Science PubHshers, Barcelona, Spain, 1987, p. 523. 

Among chiral dialkylboranes, diisopinocampheylborane (8) is the most important and best-studied asymmetric hydroborating agent. It is obtained in both enantiomeric forms from naturally occurring a-pinene. Several procedures for its synthesis have been developed (151—153). The most convenient one, providing product of essentially 100% ee, involves the hydroboration of a-pinene with borane—dimethyl sulfide in tetrahydrofuran (154). Other chiral dialkylboranes derived from terpenes, eg, 2- and 3-carene (155), limonene (156), and longifolene (157,158), can also be prepared by controlled hydroboration. A more tedious approach to chiral dialkylboranes is based on the resolution of racemates. /n j -2,5-Dimethylborolane, which shows excellent enantioselectivity in the hydroboration of all principal classes of prochiral alkenes except 1,1-disubstituted terminal double bonds, has been... 

---