Zobrazeno 1 - 6
of 6
pro vyhledávání: '"V. N. Voznesensky"'
Publikováno v:
Russian Chemical Bulletin. 44:318-321
Complete autoassembly of dilactones4–6 from dihydroxytetraesters of the type X2YC(CH2) n CYX2 (X = CO2R, Y = OH,n = 2, 3) was performed in high yields under the conditions of acid or base catalysis. The classic syntheses of the Troger's base, Meerw
Publikováno v:
Organic Mass Spectrometry. 15:412-418
A new type of amine fragmentation under electron impact is elucidated for proline, sarcosine and aspartic acid derivatives and aminomethylphosphines of the general formula R2NCH2X. Ordinary α-cleavage affording the ion is suppressed by elimination o
Publikováno v:
Organic Mass Spectrometry. 15:397-411
New data have been obtained confirming distinct differences in fragmentation of compounds of trivalent nitrogen and other group V elements under electron impact. These data have been obtained for the fragmentation of the cyanamides, cyanphosphines an
Publikováno v:
Organic Mass Spectrometry. 19:113-127
The suggestion of participation of the participation Ione electron pair of the nitrogen atom in amine-type stabilization has been confirmed by a decrease in amine-type fragmentation and a drastic change in the decomposition routes under electron impa
Publikováno v:
Organic Mass Spectrometry. 11:237-257
Further investigations have given new data confirming differences in fragmentation under electrol impact of compounds of trivalent nitrogen and other group V elements. These data have been obtained by comparision of the fragmentation of the amines, p
Publikováno v:
Organic Mass Spectrometry. 6:1199-1206