Polypropionate chains are structural motifs consisting of alternating methyl and hydroxy groups within an aliphatic framework. These structures are found in many natural products having a wide range of biological and medicinal activity
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2677810/
ccccccccccccc
Two complementary linear syntheses of the C1-C7/C8-C15 and C8-C15 polypropionate fragments of lankanolide ...
http://pqdtopen.proquest.com/doc/741141024.html?FMT=ABS
cccccccccccccc

Linear Polypropionate Arrays Using Anthracene-Tagged Organosilanes. ... Preparation of the C1-C13 Fragment of Bistramide
http://www.bu.edu/panek/publications/
ccccccc

of (+)-discodermolide comprises a linear polypropionate backbone punctuated by

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Note added at 12 hrs (2015-12-30 01:15:32 GMT)
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cccccccccc
cccccccccc

Polyketide Biosynthesis
Many bioactive natural products are polyketides, polymers of acetate
or other small, oxygenated organic molecules (like propionate, a C3)

Includes antibiotics (erythromycin, tetracycline), anticancer drugs
(daunomycin), immunosuppresants used after transplants (rapamycin

polypropionate chain
(imaginary precursor
+
the erythromycin aglycone core
(missing attached sugars)
http://instructional1.calstatela.edu/pkrug/Bio or Chem 444/L...