By Levy Shaked
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This learn positions Paracelsian alchemy, medication and clinical body structure in the apocalyptic discourse of the Protestant Reformation. A comparability is made among alchemical idea in regards to the perfectibility of leading subject and Christian eschatological doctrine relating human salvation via Christ's sacrifice in common background and within the ritual of the mass.
This sequence is designed to supply a automobile during which investigators, who've validated a excessive measure of competence in a few element of loose radical chemistry, can current a selected niche. The sequence includes a good selection of subject matters that are of present curiosity.
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48 K. Onitsuka · S. Takahashi Scheme 5. Synthesis of transition metal-poly(yne) polymers 19 Metal-acetylide complexes including metal-poly(yne) polymers often show unique properties [21–23]. Thus, metal-acetylide dendrimers are of interest because amplification of the functionality due to metal-acetylide units based on three-dimensional assembly with a regular dendritic structure is expected. 1 Hyper-Branched Polymers Based on Alkynyl-Metal Complexes Lewis and coworkers were the first to report on the preparation of hyperbranched platinum-acetylide polymers .
From the view point of structural feature, organometallic dendrimers can be classified into two categories. One has metallic species at specific positions of the dendritic molecules, and the other has metallic species in every generation. Each of them is further classified into two types, as shown in Fig. 1. The former consists of (A) core type (Fig. 1A) and (B) surface type (Fig. 1B) dendrimers, both of which have been often applied to dendritic catalysts. The latter consists of (C) the side chain type (Fig.
40 2 Dendrimers Based on Alkyl-Metal Complexes . . . . . . . 41 3 Dendritic Sphere Based on Aryl-Metal Complexes . . . . . . 1 Hyper-Branched Polymers Based on Aryl-Metal Complexes . . . 2 Dendrimers Based on Aryl-Metal Complexes . . . . . . . 45 4 Dendritic Sphere Based on Alkynyl-Metal Complexes . . . . . 2 Approaches to the Synthesis Platinum-Acetylide Dendrimers Without Protecting Groups . . . . . . . . . . 3 Convergent Synthesis of Platinum-Acetylide Dendrimers .