Page 55 - البيئة والتنمية المستدامة
P. 55

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                 ???? ?????? ??????????? ?? ???? ??????????
          ??? ????? ??? ?????? ???????? ?????????? ????? ???????

?????? ????? ???????? ?????????? ? Chemical syntheses??? ??? ??????
??????? ??? ?? ?????? ?? ?????? ???????? ?????????? ?????????? ????????? ??????????
???? ???? ????? ? ???????? ??????? ????? ??????? ?? ??? ???????? ? .???? ????????????
??? ?????? ??? ???? ?????? ????? ???????? ??? ????? ??????? ??????? ???? ???????
????????? ?????????? ? .????? ????? ????? ????? ???? ?????????? ??????? ?????
??????? ???????? ?????????? ?? ?????? ????? ?????? ?????? ??? ????????? ????????

                                       ????? ???? ?????? ???????? ?? ??? ?.??
?????? ???? ???????? ?????????? ??? ???? ? 1967????? ????? ????? ?Cory??
???????? ?? ????? ?????? ?? ???????? ?????????? ???? ??? ????? ???? ???? ????
?????? ?????? ???? ?? ???? ??????? ????????? ????? ?????? ? .?????? ?????????
?????? ??????????? ??? ??????? ??? ???? ??????? ????????? ?????????? ???????

                                                   ???? ??????? ??? ?????? ?:??
?????? ? :?????????? ???????????? ???????? ??????? ??????????? ?????? ????????
?? Retrosynthetically??? ???? ????? ??????? ???? ????? ???????? ??????????

                                                                   ??? ??? ?.??
???????? ? :?????? ??? ???????? ???????? ????????? ??? ????? ??????? ?????
??????? ??????? ????? ??????? ? .???? ??? ???????? ????? ?????? ????? ?????????

                                               ??47??
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