Wykład 9, 10, 11, 12
http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/pericycl.htm#top1
http://www-personal.une.edu.au/~sglover/CHEM303%20Chapter%201%20HTML/sld077.htm
http://www.usm.maine.edu/~newton/Chy251_253/Lectures/Pericyclic/PericyclicFS.html
http://www.bluffton.edu/~bergerd/classes/CEM311/examples/disrotate.html
http://www.adichemistry.com/organic/pericyclics/introduction/pericyclic-reactions.html
http://courses.chem.psu.edu/chem39/Slides/Section11.pdf
http://www.meta-synthesis.com/webbook/49_pericyclic/pericyclic.html
http://www.organic-chemistry.org/namedreactions/diels-alder-reaction.shtm
http://www.chem.ucalgary.ca/courses/350/Carey5th/Ch10/ch10-5.html
http://www.chem.harvard.edu/groups/myers/handouts/23_Asymmetric_Diels_Alder.pdf
http://www.bluffton.edu/~bergerd/classes/CEM222/Handouts/diels-alder.pdf
http://stoltz.caltech.edu/seminars/2006_Meyer.pdf
http://www.organic-chemistry.org/namedreactions/huisgen-1,3-dipolar-cycloaddition.shtm
http://euch6f.chem.emory.edu/13dipolar.html
http://www.joe-harrity.staff.shef.ac.uk/meetings/Sigmatropic_Processes.ppt#270,13,[1,2] Sigmatropic Rearrangements
http://www.massey.ac.nz/~gjrowlan/stereo2/lecture11.pdf
http://www.unc.edu/depts/mtcgroup/litmeetings/23sigmatropic.pdf