Houben-Weyl Methods in Organic Chemistry: Synthesis of by J. Houben, Theodor Weyl PDF

By J. Houben, Theodor Weyl

Methoden der Organischen Chemie (Methods of natural Chemistry, known as Houben-Weyl) is a customary reference paintings for chemists engaged in natural synthesis. In volumes on compound sessions, together with all Supplemental volumes, preparative tools are taken care of comprehensively and severely. Tables of examples examine an important tools and convey their scope. special experimental methods are given for the easiest tools. The reactivity and extra reactions of every compound category also are awarded. The wide use of formulation schemes help in making the German-language volumes extra conveniently comprehensible to non-German readers.

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Extra info for Houben-Weyl Methods in Organic Chemistry: Synthesis of Peptides

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A m . Chem. Soc. l W , 106, 6207. "Except where noted. values are from Allen et al.. Ref. 50. In this source, values are given to three significant figures. Wostain; Stoicheff J. Chem. Phys. 1%9,3O, 777. UFor a full discussion of alkyne bond distances, see Sirnonetta; Gavezzotti, Ref. 7. 5 Bond distances The values given are average lengths and do not necessarily apply exactly to the compounds mentioned62 Bond type Length, A Typical compounds Acetaldehyde, toluene, propene Acetonitrile, propyne Butadiene, glyoxal, biphenyl Acrylonitrile, vinylacetylene Cyanoacetylene , butadiyne Ethylene Ketene, allenes Butatriene, carbon suboxide Acetylene SPSP C-H65 sp3-H spLH sp-Hh6 C* sp34 SPC=O SPsp-O57 C-N sp3-N spL N C=N spLN b N s r N C-S sp3-S S-=ps sP-S Methane Benzene, ethylene HCN, acetylene Dimethyl ether, ethanol Formic acid Formaldehyde, formic acid c02 Methylamine Formamide Oximes.

A m . Chem. Soc. 1987,109,363; Stanger; Vollhardt J. Org. Chem. 4889. See also Cooper; Wright; Gerratt; Raimondi J. Chem. Soc.. Perkin Tram. 2 1989, 255, 263; Jug; Koster J. Am. Chem. Soc. 1990. 112. 6772; Aihara Bull. Chem. Soc. Jpn. 1990, 63, 1956. U 28 DELOCALIZED CHEMICAL BONDING the other two, which are degenerate. They each have the plane of the ring as a node and so are in two parts, one above and one below the plane. lb and c) also have another node. The six electrons that occupy this torus-shaped cloud are called the aromatic sextet.

Soc. 1963, 85, 2709; Niwa BUN. Chem. Soc. Jpn. 1967, 40. 2192. 32Formethods of determining dipole moments and discussions of their applications, see Exner Dipole Moments in Organic Chemistry; Georg Thieme Publishers: Stuttgart. 1975. For tables of dipole moments, see McClellan Tables of Experimental Dipole Momenrs, Vol. H. Freeman: San Francisco, 1963; Vol. 2, Rahara Enterprises: El Cerrito, CA. 1974. F -'or example, see Koudelka; Exner Collect. Czech. Chem. Commun. 1985, 50, 188, 200. YThe values for toluene, nitrobenzene, and p-nitrotoluene are from McClellan.

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Houben-Weyl Methods in Organic Chemistry: Synthesis of Peptides by J. Houben, Theodor Weyl


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