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Aromatic propellenes, part 8 : semiempirical calculations and DNMR studies of hexakis (pyrazol 1 yl) benzenes

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Figure

Fig. 2 Eight isomers of (dmpz) 6 bz; note that isomer 3b is a mixture of two enantiomers
Fig. 4 Fourteen isomers of (pz) 2 (dmpz) 4 bz; note that isomers 3d–6d, 10d and 12d are mixtures of two enantiomers
Fig. 5 Notation used to describe propellenes in the case of (a) (pz) 6 bz a and (dmpz) 6 bz b
Fig. 7 Methyl part of the  1 H NMR spectrum (500 MHz) of (pz) 2 - -(dmpz) 4 bz d in CDCl 3
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