| 释义 |
diguanidine Chem.|daɪˈgwænɪdɪn, -iːn|
[f. di-2 + guanidine.]
†a. = diguanide a. Obs.
b. Any compound containing two of the radicals —NH·C(NH)NH2, derived from guanidine by the loss of a hydrogen atom.
1879Jrnl. Chem. Soc. XXXVI. 781 It is now found that this substance is a di-acid base, diguanidine, NH:C(NH2)·NH·C(NH2):NH. Ibid., Diguanidine and its salts are colourless. 1927Brit. Pat. 274,259, An improved process for the production of alkylene diguanidines. 1952Morton & Hoggarth in E. H. Rodd Chem. Carbon Compounds Ib. xiv. 931 This compound depresses the concentration of blood sugar, a property which is even more marked in certain diguanidines such as ‘Synthalin’. 1960Brit. Med. Bull. XVI. 251/1 Diguanidines..may be considered as being made up of two guanidine molecules joined by a chain of methylene groups. 1961Lancet 30 Sept. 776/1 Synthalin with two guanidines joined by a chain of methyl groups is a diguanidine. In phenformin the two guanidines coalesce..and it is a diguanide (or biguanide). |