Table 1.

Bicyclic and Tricylic Diazenes

Entry	Ketone	Diazene	Yield (%)a
1	1a	2ab	84
2	1bc	2b	76
3	1cd	2ce	70
4	1d	2d	68
5	1e	2ef	91
6	1f	1fg	72
7	1g	2g	68

^aYields are for pure isolated products.

^bThe product was a ~ 5:1 mixture of diastereomers.

^cAr = 4-methoxyphenyl.

^dThe alkene was a ~ 5: 1 Z/E mixture.

^eThe product was a ~ 5:1 mixture of diastereomers.

^fThe product was a ~ 6:1 mixture of diastereomers. The major product had a ¹³C NMR methine at δ = 100.2. The minor diastereomer ¹³C NMR methine was at δ = 95.1

^gThe product was a ~ 1:1 mixture of diastereomers.