Organic Letters
Organic Letters
5 years ago

Chirality Sensing of α-Hydroxyphosphonates by N-tert-Butyl Sulfinyl Squaramide

Chirality Sensing of α-Hydroxyphosphonates by N-tert-Butyl Sulfinyl Squaramide
Xin Li, Guo-Hui Yang, K. N. Houk, Cyndi Qixin He, Yao Li, Jin-Pei Cheng
N-tert-Butyl sulfinyl squaramides were used for chiral discrimination of α-hydroxyphosphonates using 31P NMR. A free energy relationship study indicates that both steric and the electronic effects influence the chiral recognition of the donors.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b01743

DOI: 10.1021/acs.orglett.7b01743

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