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. 2017 Aug 30;2(8):5228–5234. doi: 10.1021/acsomega.7b00403

Table 1. Screening of Temperature in [4 + 2] and [4 + 1] Cycloadditions.

2.

entry reactant product temp. (°C) time (h) yield (%)a
1 6 7 100 24 33
2 2 3 100 24 trace
3 2 3 120 24 59
4 2 3 135 24 83
5 2 3 150 16 78
a

Isolated yield.