. Author manuscript; available in PMC: 2018 Nov 3.

Published in final edited form as: Org Lett. 2017 Nov 3;19(21):6012–6015. doi: 10.1021/acs.orglett.7b03059

Table 1. Preparation of sulfamic acid salts^a.

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General reaction conditions: 1.0 equiv amine 1, 1.0 equiv sulfur trioxide pyridine complex (SO₃•pyr),0.33 M acetonitrile, 1.5 equiv Et₃N, 30 min, 0 → 22 °C.

1 equiv SO₃•NMe₃in place of SO₃•pyr and Et₃N.

>90% purity.

Table 1. Preparation of sulfamic acid saltsa.

Table 1. Preparation of sulfamic acid salts^a.