Application

No.99
Useful Benzyne Precursor
A1464 1-Aminobenzotriazole 1g

References

1) Synthesis of benzyne and [4+2] cycloaddition
a) Benzyne-oxazole cycloaddition
S. E. Whitney, M. Winters, B. Rickborn, J. Org. Chem., 55, 929 (1990).
S. E. Whitney, B. Rickborn, ibid., 53, 5595 (1988).
b) Synthesis of benzyne
C. D. Campbell, C. W. Rees, Proc. Chem. Soc., 1964, 296 idem, J. Chem. Soc. (C), 1969, 742.
2) [3+2] cycloaddition
H. Kato, S. Nakazawa, T. Kiyosawa, K. Hirakawa, J. Chem. Soc., Perkin Trans. 1, 1976, 672.
S. Nakazawa, T. Kiyosawa, K. Hirakawa, H. Kato, J. Chem. Soc., Chem. Commun., 1974, 621.
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