A SIMPLE APPROACH TO NORTROPANE AND NORTROP-6-ENE DERIVATES
Intramolecular cyclisation of trans-1-(benzylamino)-4-chlorocycloheptane and hept-2-ene gives the corresponding 8-azabicyclo(3.2.1)octane (nortropane) and -oct-6-ene (nortrop-6-ene) derivatives respectively.Under appropriate conditions, cyclohept-1,3-diene is converted into nortropane in 75percent overall yield.
Bathgate, Antoinette,Malpass, John R.
p. 5937 - 5940
(2007/10/02)
A new synthetic route to tropane alkaloids based on [4 + 2] nitroso cycloaddition to 1,3-cycloheptadienes
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Iida,Watanabe,Kibayashi
p. 1818 - 1825
(2007/10/02)
A NEW SYNTHETIC ROUTE TO TROPANE ALKALOIDS. PSEUDOTROPINE AND TROPACOCAINE
Pseudotropine and tropacocaine have been synthesized by a facile route involving the nitroso cycloaddition followed by internal SN2 displacement.
Iida, Hideo,Watanabe, Yohya,Kibayashi, Chihiro
p. 5091 - 5094
(2007/10/02)
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