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. 2014 Aug 25;16(17):4578–4581. doi: 10.1021/ol502131r

Table 2. HDDA Cycloisomerization Rates of Substrates with No Conjugated Electron-Withdrawing Substituents.

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a

Yields represent material following chromatographic purification and are from experiments performed on scales of 20–40 mg of substrate in 1,2-DCE for 17, CDCI3 for 18,4 and o-DCB for 19.