0000081904 00000 n endstream endobj 330 0 obj <> endobj 331 0 obj <> endobj 332 0 obj <>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/Thumb 308 0 R/Type/Page>> endobj 333 0 obj <> endobj 334 0 obj <> endobj 335 0 obj <>stream An electron impact and chemical ionization study of some diethyl dicarboxylates. 0000113532 00000 n 0000003754 00000 n Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism. A quantum chemical investigation of the unimolecular chemistry of the formic acid radical cation and some of its isomers. 0000083822 00000 n 0000086420 00000 n 0000079841 00000 n Zeitschrift f�r Lebensmittel-Untersuchung und -Forschung. 0000108336 00000 n 0000110832 00000 n xref The loss of one or two molecules of water from the molecular ions was shown to proceed most favorably … 0000112002 00000 n �(��d�;�]Q7z�R�4o�ϋ��h���$+ 0000000016 00000 n 0000107880 00000 n 0000054741 00000 n 0000084047 00000 n The McLafferty rearrangement results in a prominent peak and often accounts for the … 0000083372 00000 n 0000073649 00000 n 0000112243 00000 n 0000080843 00000 n Fragmentation des aldehydes cyclopropaniques en spectrometrie de masse. 0000107678 00000 n They are generally more acidic than other organic compounds containing hydroxyl groups but are generally weaker than mineral acids such as hydrochloric acid. 6.12 Fragmentation of Carboxylic Acids The molecular ion of straight chain carboxylic acids is weak but usually present. 0000111214 00000 n ۛ��n�H�R! 0000021431 00000 n 0000105394 00000 n Chemische Zusammensetzung des Suberins der KartoffelschaleChemical composition of potato peel suberin. 0000073823 00000 n 0000076764 00000 n 0000111775 00000 n 0000112794 00000 n 0000022122 00000 n 0000114753 00000 n 0000038685 00000 n 0000006713 00000 n 0000107285 00000 n 0000114229 00000 n 0000074213 00000 n 0000038160 00000 n 0000103617 00000 n 0000110235 00000 n *�q��e�>>(h���a�B��6k 2��2����\���%�bL15�"����B�h���戸B���T�}�KӪKu�>���*N��Qd)D)�Y(E1��&�;�b�k쀟��K{=Q��$���4�2n�$TQ�0��ٚr��R�@/�To�'��6�w��J0�1)GTt�(wŅu�T1Xv��'�zƬA/��{Z����n�):Z���"�����珁ez�\�S� �a� %%EOF International Journal of Mass Spectrometry and Ion Physics. 0000110617 00000 n 0000003534 00000 n 0000077233 00000 n trailer The general formula of a carboxylic acid is R–COOH, with R referring to the alkyl group. 0000022019 00000 n 0000080516 00000 n <<34C32BF922C68944A724450569F09F20>]/Prev 451232>> 0000101187 00000 n 329 0 obj <> endobj +: A combined experimental and theoretical study of its stability and dissociation chemistry. FreeRadical Decarboxylation of Carboxylic Acids as a Concerted Abstraction and Fragmentation Reaction E. T. Denisov and A. F. Shestakov Institute of Problems of Chemical Physics, Russian Academy of … 0000109352 00000 n 0000080066 00000 n �b�R��C����>4�-��b��-�@[[WK[�KK[���*^v����"�k/tm��C41f4��>��7(C�&���s���?g� @d4�@� fC�5X�'��/���'¯-����#����jj����L\p�Yx�u�S�0���wet���3;�ޛ�ðU�e��ڦ��w��}�7m��B�J[���@}�2a>�_nA�V3�ߛ��c�N�q��a��W|v�c��}��l��y+_��5��}&ӭ�t�>��������� 0000103086 00000 n startxref 0000129974 00000 n 0000102933 00000 n 0000108729 00000 n 0000023812 00000 n 0000074525 00000 n In vitro studies on the metabolism of hexadecanedioic acid and its mono-l-carnitine- ester. Carboxylic … 0000111608 00000 n 0000021639 00000 n 0000106270 00000 n 0000054240 00000 n 0000109783 00000 n 0000130603 00000 n 0000086579 00000 n 0000080907 00000 n 0000107511 00000 n 0000114065 00000 n 0000083597 00000 n Mechanism for exchange of the hydrogen atoms: a quantum chemical investigation. 436 0 obj <>stream 0000109519 00000 n 0000106890 00000 n 0000101633 00000 n 0000054044 00000 n 0000080676 00000 n 0000113769 00000 n 0000037566 00000 n 0000005534 00000 n 0000109949 00000 n 0000107118 00000 n International Journal of Mass Spectrometry and Ion Processes. 0000072256 00000 n 0000002456 00000 n 0000113000 00000 n 0000113304 00000 n Carboxylic Acid In short chain acids, peaks due to the loss of OH (molecular ion less 17) and COOH (molecular ion less 45) are prominent due to cleavage of bonds next to C=O. 329 108 0000130437 00000 n 0000085237 00000 n 0000037761 00000 n 0000076539 00000 n 0000106723 00000 n 0000023300 00000 n 0000106497 00000 n 0 0000110450 00000 n 0000103239 00000 n The fragmentation mechanisms of the lower homologues are discussed in some detail. 0000077008 00000 n 0000111381 00000 n Carbonsäuren und alkanole des cutins und suberins von Solanum tuberosum. 0000086795 00000 n 0000100981 00000 n 0000072464 00000 n �w��y�����v�� ���9}���{`h�_ߠ��������a/�?�����:5����{ �=;|漾��%��'��Oύ}�����79��W_����//���o0�J,�(��cߒaS˯\�~��ť��bb����ɴ���̿��ק�_�z岹k~}$�����ꚹ���-�ES�̈r4�vz�(*�X�����@�cN��=9,���[]=��$:��QY�a���m�ָR �߿���G|�M�'�%�`��4��C��P@�c�1�S�X-'Zj� � �(�=�W+�;(�iKS��fi���=���S&ͻ��FO ����Q����1t����5Ze;�� .L�s��e�� The molecular ion of the cis‐acid fragments via H atom transfer from one carboxyl group to the other followed by loss of CO2. 0000114920 00000 n 0000108562 00000 n 0000109124 00000 n 0000130175 00000 n hތY\S��C. 0000078405 00000 n Carboxylic acid, any of a class of organic compounds in which a carbon atom is bonded to an oxygen atom by a double bond and to a hydroxyl group by a single bond. 0000054917 00000 n 0000110999 00000 n 0000103392 00000 n %PDF-1.4 %���� hޔ�[Le���vG�ݝY 0000080291 00000 n 0000076314 00000 n 0000101571 00000 n 0000078564 00000 n 0000113699 00000 n 2-Butenoic acid … 0000108048 00000 n 0000108957 00000 n Mass spectra of the dimethyl esters of some branched aliphatic α,ω-dicarboxylic acids. Structure of a carboxylic acid Carboxylate Anion 3D structure of a carboxylic acid A carboxylic acid is an organic acid that contains a carboxyl group (C(=O)OH)[1] attached to an R-group. The gas phase chemistry of the formic acid radical cation [HCOOH]+. 0000103842 00000 n The transacid does not fragment significantly by this route and the former …