Journal of the Chemical Society. Chemical communications p. 543 - 545 (1981)
Update date:2022-08-16
Topics:
Benoiton, N. Leo
Chen, Francis M. F.
The reaction of equivalent amounts of N-benzyloxycarbonyl-L-valine and N,N'-di-isopropylcarbodi-imide in deuteriochloroform gives an equimolar mixture of the symmetrical anhydride of the N-protected amino-acid, N,N'-di-isopropylurea, and unchanged carbodi-imide and not the O-acylisourea adduct as reported in the literature.
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(1981)