Crystal structures of 6a,6b,7,11a-tetra­hydro-6H,9H-spiro­[chromeno[3′,4′:3,4]pyrrolo­[1,2-c]thia­zole-11,3′-indoline]-2′,6-dione and 5′-methyl-6a,6b,7,11a-tetra­hydro-6H,9H-spiro­[chromeno[3′,4′:3,4]pyrrolo­[1,2-c]thia­zole-11,3′-indoline]-2′,6-dione

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
A view of the molecular structure of compound (II)

, showing the atom labelling. Displacement ellipsoids are drawn at the 30% probability level. The intramolecular C—H⋯O interaction (Table 2

) is shown as a dashed line.

CRYSTALLOGRAPHIC
COMMUNICATIONS

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