Additions and corrections

Cis → trans and trans → cis isomerizations of styrylcoumarins in the solid state. Importance of the location of free volume in crystal lattices

Jarugu Narasimha Moorthy, Parthasarathy Venkatakrishnan, Govardhan Savitha and Richard G. Weiss

Photochem. Photobiol. Sci., 2006, 5, DOI: 10.1039/b606027g. Amendment published 19th July 2006.

The authors wish to correct the values given for the NMR data in section 4(c) ‘General procedure for the synthesis of 6- and 7-styrylcoumarins (1–4)’ as follows.

Compound        
  Value to be corrected       
  Should read       
Cis-1 6.71 (dd, J1 = 42.5 Hz, J2 = 12.2 Hz, 2H) 6.66 (ABq, JAB = 12.2 Hz, 1H), 6.76 (ABq, JAB = 12.2 Hz, 1H)
Cis-2 6.63 (dd, J1 = 68.0 Hz, J2 = 12.4 Hz, 2H) 6.54 (ABq, JAB = 12.2 Hz, 1H), 6.71 (ABq, JAB = 12.2 Hz, 1H)
Trans-2 7.17 (dd, J1 = 45.2 Hz, J2 = 16.3 Hz, 2H) 7.11 (ABq, JAB = 16 Hz, 1H), 7.23 (ABq, JAB = 16.0 Hz, 1H)
Cis-3 6.68 (dd, J1 = 45.4 Hz, J2 = 12.2 Hz, 2H) 6.60 (ABq, JAB = 12.2 Hz, 1H), 6.71 (ABq, JAB = 12.2 Hz, 1H)
Trans-3 7.12 (dd, J1 = 20.1 Hz, J2 = 16.6 Hz, 2H) 7.11 (ABq, JAB = 16.4 Hz, 1H), 7.14 (ABq, JAB = 16.4 Hz, 1H)
Cis-4 6.69 (dd, J1 = 65.5 Hz, J2 = 12.2 Hz, 2H) 6.62 (ABq, JAB = 12.2 Hz, 1H), 6.78 (ABq, JAB = 12.2 Hz, 1H)
Trans-4 7.15 (dd, J1 = 44 Hz, J2 = 16.4 Hz, 2H) 7.09 (ABq, JAB = 16.3 Hz, 1H), 7.20 (ABq, JAB = 16.3 Hz, 1H)

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

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