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. Author manuscript; available in PMC: 2011 Jun 26.
Published in final edited form as: Tetrahedron. 2010 Jun 26;66(26):4687–4695. doi: 10.1016/j.tet.2010.02.050

Table 6.

Variation of the hemiaminal component.

entrya hemiaminal product yieldb
1 graphic file with name nihms179917t54.jpg graphic file with name nihms179917t55.jpg 68%
2 graphic file with name nihms179917t56.jpg graphic file with name nihms179917t57.jpg 70%
3 graphic file with name nihms179917t58.jpg graphic file with name nihms179917t59.jpg 81%
4 graphic file with name nihms179917t60.jpg graphic file with name nihms179917t61.jpg 88%
a

Conditions: hydrazine 23 (1 equiv), 1:1 AcOH/H2O, 100 °C.

b

Isolated yield.