Abstract
THE structure of asparagine has been discussed several times during recent years1–5. A number of properties would be better explained by a ring structure than by the conventional straight-chain structure1,2, but on the other hand, the carboxylic group had to be free3. The structure of crystalline asparagine monohydrate has now been determined by us with X-rays, and although this does not give definite information about the structure of the molecule in solution, it does give some indications about it.
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References
- 1
Steward, F. C., and Thompson, J. F., Nature, 169, 739 (1952).
- 2
Evstigneeva, Z. G., and Kretovich, V. L., Doklady Akad. Nauk, S.S.S.R., 93, 1069 (1953); Chem. Abs., 48, 4602h (1954).
- 3
Davies, M., and Evans, J. C., J. Chem. Soc., 480 (1953).
- 4
Saidel, L. J., Nature, 172, 955 (1953).
- 5
Katz, L., Pasternak, R. A., and Corey, R. B., Nature, 170, 1066 (1952).
- 6
Handbook of Chemistry and Physics (1955–56).
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Author notes
- A. DE VRIES
Present address: Laboratorium voor Kristalchemie, Rijksuniversiteit te Utrecht, The Netherlands
Affiliations
Biophysics Department, Roswell Park Memorial Institute, Buffalo, 3, New York
- G. KARTHA
- & A. DE VRIES
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