الفهرس 
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Abstract
1,3-Dipolar Cycloaddition~
A study of the mechanism of addition of diazoalkane
~o angulary strained double bonds led to the
concsp~ of 1,3-dipolar cycloadditicn. 1,3-Addition
of diazoalkanes, azides and ozone, which conform to
this scheme, have been known for over 50 :rears. L.I.
Smith1 published a comprehensive review of open chain
and cyclic 1,)-addition of this type, without however
considering possible extentions of the reaction. It
was only after the reaction scheme was gene~alised2
that tbe prediction and discovery of new classes of
1,)-dipoles and numerous new re:.cti::ms were achieved.
A. Def~nition and classification.
1. Desc~iEtion and classification of l,J-dipoles:
Cycloaddition can be classified according
to t~e numbe~ of new ~-bonds for~ed or according to
the size of the ri:Jg which is formed. In the most
frequent cases two reactants unite to form the
cyclic compound, creating two new ~-bonds at the
expe!:.se of two lf-bonds 2 •
;~£- In compiling tl:is part the author made use of the
arti:le of ”1,3-dipolar cycloaddition past and future”
.twcgewanG.t Chemie International Edition, V0:i. ume 2-:Tumber
10 pages 565 - 632 (1963).