Zobrazeno 1 - 10
of 20
pro vyhledávání: '"G R Van den Berg"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 89:1025-1037
The decomposition product of 2-dimethylaminoethyl methylphosphonofluoridate (IV, n = 2) was identified as 1,1,4,4-tetramethylpiperazinium bis-(methylphosphonofluoridate) (VI). In hexadeuteriodimethyl sulfoxide (60°), the first-order rate of decompos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::402864aa462ade0ecf17105b892add54
https://doi.org/10.1002/recl.19700891004
https://doi.org/10.1002/recl.19700891004
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 85:147-150
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a835119626a9ee16c6ccad431a88b5a
https://doi.org/10.1002/recl.19660850206
https://doi.org/10.1002/recl.19660850206
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 87:387-395
The reaction of (+)-(i-PrO)MeP(O)SMe with phenylmagnesium bromide in tetrahydrofuran affords (+)-(i-PrO)MeP(O)Ph, representing the first example of a stereospecific synthesis of a phosphinate ester from a phosphonothiolate ester. Levorotatory (MeS)Me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::594237314d3c5a678874e1f6b8028e18
https://doi.org/10.1002/recl.19680870408
https://doi.org/10.1002/recl.19680870408
Autor:
H. L. Boter, G. R. van den Berg
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 85:919-927
Some alkyl methylphosphonofluoridates were prepared by the reaction of the dicyclohexylamine salts of O-alkyl hydrogen methylphosphonothioates with 2,4,6-trinitrofluorobenzene in acetone solution. The mechanism of the reaction is discussed. The synth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c63cf260ce192c01257d46a0265ee1a
https://doi.org/10.1002/recl.19660850909
https://doi.org/10.1002/recl.19660850909
Autor:
G. R. van den Berg, H. P. Benschop
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 87:362-364
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef4c896a3d9b13953ca0a61463f72f3a
https://doi.org/10.1002/recl.19680870402
https://doi.org/10.1002/recl.19680870402
Publikováno v:
Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 38:469-472
C 1 3 H I 3 N 2 0 + . B r is orthorhombic, Pcab, Z = 8, a = 11.649 (5), b = 12.218 (7), c = 17.775 (10)]k; d c = 1.539 Mg m -a, lt(Mo Ka) = 3.431 mm -~. R w = 0.041 for 1634 reflections. CI3HI3N20+.CHaSO3 is monoclinic, P2~/b, Z = 4, a = 7.044(1), b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e129fc138d273a2278154f74e0c2151
https://doi.org/10.1107/s0567740882003203
https://doi.org/10.1107/s0567740882003203
Publikováno v:
Bulletin of Environmental Contamination and Toxicology. 33:505-514
Those anticholinesterases of the organophosphate type which are considered to be potential chemical warfare agents (Franke 1977) have a center of asymmetry at the phosphorus atom. Consequently, the agents are mixtures of two enantiomeric forms design
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a3c342c14014c2ae797aad3e6ace804
https://doi.org/10.1007/bf01625576
https://doi.org/10.1007/bf01625576
Publikováno v:
Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 38:1635-1637
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d9c27b1be9becfcd16b360f6a9b2e3e
https://doi.org/10.1107/s0567740882006669
https://doi.org/10.1107/s0567740882006669
Publikováno v:
Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 38:2516-2518
C7H9N20+.CI -, triclinic, Pi, Z=2, a= 7.110 (1), b = 7.165 (2), c= 8.861 (1)A, a= 76.52(1), fl=85.62(1), 2=65.81 (1) °, dc= 1.432 Mg m -3, #(Mo Ka) = 4.205 mm-~; R w = 0.039 for 2435 observed reflections. The structure was solved by heavy-atom techn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f4d0ea418c55b5800879455d2635b47
https://doi.org/10.1107/s0567740882009248
https://doi.org/10.1107/s0567740882009248
Publikováno v:
Nederlands tijdschrift voor geneeskunde. 120(51)
156 women, 12-20 weeks pregnant, applied for abortion at the Wilhelmo Clinic in Amsterdam; 102 abortions were granted. The 156 late-abortion seekers were compared with 282 early-abortion seekers and 490 pregnant women. The late-abortion seekers were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::4a41191512cc08692a563968a2f55cae
https://pubmed.ncbi.nlm.nih.gov/1012384
https://pubmed.ncbi.nlm.nih.gov/1012384