Zobrazeno 1 - 10
of 23
pro vyhledávání: '"L. Heslinga"'
Publikováno v:
The American Midland Naturalist. 184
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4a2c4f6dd13da2f1740136bfceb9207
https://doi.org/10.1674/0003-0031-184.2.149
https://doi.org/10.1674/0003-0031-184.2.149
Autor:
Justin L. Heslinga, Robert E. Grese
Publikováno v:
The American Midland Naturalist. 164:322-336
Evaluating the progress of ecological restoration projects is critical to improving our understanding of degraded ecosystems and their rehabilitation. In a remnant tallgrass prairie in southeast Michigan that is being managed by periodic dormant-seas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f8f87c981af7a525b340320e031b55a
https://doi.org/10.1674/0003-0031-164.2.322
https://doi.org/10.1674/0003-0031-164.2.322
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 94:262-273
The synthesis of the following groups of acids is described: (a) 3-Methyl-c-2,c-8,c-11,c-14-, and 3-methyl-t-2,c-8,c-11,c-14-eicosatetraenoic acid and 3-methyl-c-8,c-11,c-14-eicosatrienoic acid, (b) c-8,c-11,c-14-eicosatrien-5-ynoic acid, (c) c-2,3-m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f87731a1879294a9cc9793ea581418c6
https://doi.org/10.1002/recl.19750941205
https://doi.org/10.1002/recl.19750941205
Autor:
M. van Gorkom, L. Heslinga
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 85:293-302
Addition of protonated formaldehyde to 1-dodecene in acetic acid solution yields 4-decyl-1,3-dioxane and both cis- and trans-4-acetoxy-3-nonyltetrahydropyran as major products. The configuration of these reaction products was investigated by proton m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00c8ad3bc5f6a27b0bc86b01e599036
https://doi.org/10.1002/recl.19660850309
https://doi.org/10.1002/recl.19660850309
Autor:
L. Heslinga, W. Schwaiger
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 85:75-85
Unbranched aliphatic diperoxycarboxylic acids of short chain length can be included in urea by acetylation in the presence of the latter compound. The reactions carried out with diperoxysuccinic, diperoxyadipic and diperoxyazelaic acid proceed almost
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf3e478cc3bb921d58825c8d78cf397b
https://doi.org/10.1002/recl.19660850113
https://doi.org/10.1002/recl.19660850113
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 87:1421-1434
Epoxidation of 4-acetoxy-2-(6′-methoxycarbonylhexyl)-2-cyclopenten-1-one in alkaline medium yielded the two possible diastereoisomers of 2,3-epoxy-4-hydroxy-2-(6′-methoxycarbonylhexyl)-1-cyclopentanone. The structure and configuration of these co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44e889ac96236feecec2a490a338455c
https://doi.org/10.1002/recl.19680871211
https://doi.org/10.1002/recl.19680871211
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 92:287-303
27Trans-alkenoic, 2trans-alkenemonoynoic and 2trans-alkenepolyynoic acids with the first triple bond in the 5-position could be obtained in high yield by coupling 1-alkyl- and 1-mono- or -poly-ynylmagnesium bromides with 4-bromocrotonic acid in tetra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb924d19b04aedb727014dca56300a7c
https://doi.org/10.1002/recl.19730920309
https://doi.org/10.1002/recl.19730920309
Autor:
H. J. J. Pabon, L. Heslinga
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 103:348-351
The (Z)-32-hydroxy-23-Dotriacontenoic acid ester of linoleic acid (19), a compound implicated in skin metabolism, and related compounds have been synthesized in a nine-steps scheme, starting from 10-undecynoic acid. Overall yield amounted to 5.2%.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40dcdb4b892e027d31e2486478039551
https://doi.org/10.1002/recl.19841031204
https://doi.org/10.1002/recl.19841031204
Autor:
L. Heslinga, J. F. Arens
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 76:982-995
Ethyl α-chlorovinyl ether IV and α, α-dichlorodiethyl ether V can be used for the synthesis of peptides. The reactions are performed by refluxing a mixture of an acylamino acid I, an amino acid ester-hydrochloride II and one of the chlorinated eth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c018cbf9cefce65d98fc6684a9065296
https://doi.org/10.1002/recl.19570761206
https://doi.org/10.1002/recl.19570761206
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 76:969-981
Addition of two equivalents of hydrogen chloride to ethoxyacetylene yields α,α-dichlorodiethyl ether (III). This substance reacts easily with carboxylic acids to yield acyl chlorides (X). α, α, β -Trichlorodiethyl ether (XIII), obtainable in two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7d595980a2f22ce69437be8c00e68b8
https://doi.org/10.1002/recl.19570761205
https://doi.org/10.1002/recl.19570761205