Crystal structure of (S)-2-[(3S,8S,9S,10R,13S,14S,17R)-3-hy­droxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetra­deca­hydro-1H-cyclo­penta[a]phenanthren-17-yl]-N-meth­oxy-N-methyl­pro­pan­amide (Fernholz Weinreb amide)

Viktorsson, E. Ø.; Åstrand, O.A.H.; Haseeb, R.S.; Görbitz, C.H.; Rongved, P.

doi:10.1107/S2056989015001747

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
(a) Unit-cell and crystal packing viewed along the a axis. The colour coding is as in Fig. 1

. The orange circles highlight a series of methyl groups; the blue area shades a hydrogen-bonded chain in shape of a flat helix. The chain, as a pink shape, is shown in more detail in (b) (the view is along the b axis).

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 71| Part 3| February 2015| Pages 275-277

doi:10.1107/S2056989015001747

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