Oligomers linear formal

Formally, isoprenoids are derived from a single common building block, isoprene (2-methyl-l,3-butadiene), a methyl-branched compound with five C atoms. Activated isoprene, isopentenyl diphosphate, is used by plants and animals to biosynthesize linear and cyclic oligomers and polymers. For the isoprenoids listed here—which only represent a small selection—the number of isoprene units (1) is shown. 

Results of Calculations of NLO Properties and Their Discussion. - 5.2.1 Solid State Physical Calculations. - The calculation of static linear polarizabilities < zz/N = oll/N for the polymers poly(H2), and the H-bonded systems poly(H20) and poly(LiH) using the above described solid state physical formalism has given much larger values116 than those obtained by extrapolating oligomer values with the aid of different procedures. Further computations for... 

This reaction sequence offers the advantage of being able to prepare linear oligomers under simplified reaction conditions and then couple them with formal linkages to get pol3rmers with properties which are hopefully not too much different from the homopolymers themselves. 

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