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Table 2 Hydrogen-bond geometry (Å, °)

From: Tandem Aldol-Michael reactions in aqueous diethylamine medium: a greener and efficient approach to dimedone-barbituric acid derivatives

D—H · · · A

D—H

H · · · A

D · · · A

D—H · · · A

C2—H2B · · · O1

0.9600

2.2600

2.655(3)

104.00

C4—H4B · · · O3

0.9600

2.2300

2.682(3)

108.00

C7—H7A · · · O1

0.9800

2.3700

2.894(2)

113.00

C7—H7A · · · O5

0.9800

2.2800

2.821(2)

114.00

C22—H22A · · · O3i

0.9600

2.5400

3.376(3)

146.00

  1. Symmetry code: (i) x, −y + 3/2, z + 1/2.
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BMC Chemistry

ISSN: 2661-801X

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