78 Polynitropolycycloalkanes
OHOHOHOHBrBr BrBrOOBrBr
OO OOBrBrBr
BrO OO OBr BrHOOCCOOHCOOH
HOOCClOC COCl
ClOC
COClCO 2 CH 2 C(NO 2 ) 3
(O 2 N) 3 CH 2 CO 2 C(O 2 N) 3 CH 2 CO 2 CCO 2 CH 2 C(NO 2 ) 3SOCl 2(NO 2 ) 3 CCH 2 OH+(^818283)
85b85a 84a 84b
86a 86b 87a 87b
88a
88b
hv, benzene
- KOH (aq)
- H+
OFigure 2.182.6 Prismanes
NO 2
O 2 NO
O N NOH
HOBrBrNO 2
O 2 N(^8990)
91
(^9392)
7 steps
NH 2 OH.HCl
NaOAc, MeOH
89 %
- Br 2 , DMF,
NaHCO 3 - TFAA, H 2 O 2 ,
CH 2 Cl 2
8 % (2 steps)
Bu 3 SnH, PhH,
reflux
50 %Figure 2.19