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Hosokawa T, Sato K, Mitsueda S, Umehara H, Hidume K, Okada T, Kanisawa I, Tsuchiya A, Takahashi K, Sakai H. Effects of anterior cruciate ligament injury prevention program on lower extremity alignment, isokinetic muscle strength and electromyographic activity. Br J Sports Med 2011. [DOI: 10.1136/bjsm.2011.084038.121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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27
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Suekane T, Zhou N, Hosokawa T. Maximization of capillary trapping ratio to injected CO2 by means of co-injection. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.egypro.2011.02.375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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28
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Zhou N, Hosokawa T, Suekane T, Wang Q. Experimental study of capillary trapping on the pore scale for various sandstone cores. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.egypro.2011.02.473] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Kita Y, Gunji A, Inoue Y, Goto T, Inagaki M, Kaga M, Hosokawa T. P27-13 A hemodynamic study of self-face recognition in autism spectrum disorder (ASD): Relation with ASD severities and self-consciousness. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)61086-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Hosokawa T, Kazai K, Katayose H. The validity of the fNIRS recording in the prefrontal cortex for lie detection. Neuroimage 2009. [DOI: 10.1016/s1053-8119(09)70481-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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31
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Hosokawa T, Kumon Y, Kobayashi T, Enzan H, Takahashi K, Yuri K, Wakiguchi H, Sugiura T. Abstract: P658 NEUTROPHILS INFILTRATION AND GENERATION OF REACTIVE OXYGEN SPECIES IN A HUMAN ATHEROSCLEROTIC PLAQUE. ATHEROSCLEROSIS SUPP 2009. [DOI: 10.1016/s1567-5688(09)70826-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Hosokawa T, Kudo M, Nonaka H, Toyama J. Soft authentication using an infrared ceiling sensor network. Pattern Anal Appl 2008. [DOI: 10.1007/s10044-008-0119-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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33
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Narabayashi M, Saijo Y, Takenoshita S, Chida M, Shimoyama N, Miura T, Tani K, Nishimura K, Onozawa Y, Hosokawa T, Kamoto T, Tsushima T. Opioid Rotation from Oral Morphine to Oral Oxycodone in Cancer Patients with Intolerable Adverse Effects: An Open-Label Trial. Jpn J Clin Oncol 2008; 38:296-304. [DOI: 10.1093/jjco/hyn010] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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34
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Asahina Y, Izumi N, Umeda N, Hosokawa T, Ueda K, Doi F, Tsuchiya K, Nakanishi H, Matsunaga K, Kitamura T, Kurosaki M, Uchihara M, Higaki M, Miyake S. Pharmacokinetics and enhanced PKR response in patients with chronic hepatitis C treated with pegylated interferon alpha-2b and ribavirin. J Viral Hepat 2007; 14:396-403. [PMID: 17501760 DOI: 10.1111/j.1365-2893.2006.00803.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
This study investigated the molecular and pharmacokinetic mechanisms of the enhanced antiviral efficacy associated with pegylated interferon (PEG-IFN) alpha-2b and ribavirin. The study involved comparing the expression of serial double-stranded RNA-activated protein kinase (PKR) before and during treatment in 26 PEG-IFN alpha-2b and 26 conventional IFN alpha-2b recipients matched for age, body weight and dose of ribavirin. The pharmacokinetics of PEG-IFN alpha-2b and ribavirin was analysed in 15 of the 26 PEG-IFN recipients. There was a rapid increase in PKR expression in both treatment groups, although expression from day 2 onwards was maintained at a significantly higher level in the PEG-IFN recipients (P < 0.05). C(max) of PEG-IFN occurred 12-48 h after the initial administration, with t(1/2) and C(min) being 49 h and 190 pg/mL, respectively. In contrast to ribavirin, accumulation of PEG-IFN was minimal. There was no association between serum PEG-IFN and ribavirin levels and virological response. Although baseline expression of PKR before treatment was marginally higher in nonresponders (NRs), from day 2 onwards, sequential PKR expression in response to PEG-IFN was higher in sustained viral responders compared with the NRs (P < 0.05). Significant correlations were found between kinetics of PKR expression and viral decline rates in each phase of hepatitis C virus dynamics (first phase, r = 0.67, P = 0.0006; second phase, r = 0.67, P = 0.001). In conclusion, improvement in pharmacokinetics following pegylation led to higher intracellular PKR expression, which was associated with enhanced virological efficacy of PEG-IFN-based combination therapy. The concentrations of both ribavirin and PEG-IFN alpha-2b were not associated with viral response and PKR expression.
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MESH Headings
- Administration, Oral
- Adult
- Aged
- Antiviral Agents/administration & dosage
- Antiviral Agents/pharmacokinetics
- Antiviral Agents/therapeutic use
- Cells, Cultured
- Drug Therapy, Combination
- Female
- Gene Expression Regulation/drug effects
- Hepacivirus/isolation & purification
- Hepatitis C, Chronic/drug therapy
- Hepatitis C, Chronic/metabolism
- Hepatitis C, Chronic/virology
- Humans
- Injections, Intramuscular
- Injections, Subcutaneous
- Interferon alpha-2
- Interferon-alpha/administration & dosage
- Interferon-alpha/pharmacokinetics
- Interferon-alpha/therapeutic use
- Leukocytes, Mononuclear/metabolism
- Male
- Middle Aged
- Polyethylene Glycols
- Polymerase Chain Reaction
- RNA, Messenger/genetics
- Recombinant Proteins
- Ribavirin/administration & dosage
- Ribavirin/pharmacokinetics
- Ribavirin/therapeutic use
- Treatment Outcome
- Viral Load
- eIF-2 Kinase/genetics
- eIF-2 Kinase/metabolism
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Hosokawa T, Kato K, Inoue M, Mikami A. Neurons in the macaque orbitofrontal cortex code relative preference of both rewarding and aversive outcomes. Neurosci Res 2007; 57:434-45. [PMID: 17239463 DOI: 10.1016/j.neures.2006.12.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2006] [Revised: 12/01/2006] [Accepted: 12/04/2006] [Indexed: 11/17/2022]
Abstract
Many studies have shown that the orbitofrontal cortex (OFC) is involved in the processing of emotional information. However, although some lines of study showed that the OFC is also involved in negative emotions, few electrophysiological studies have focused on the characteristics of OFC neuronal responses to aversive information at the individual neuron level. On the other hand, a previous study has shown that many OFC neurons code relative preference of available rewards. In this study, we aimed to elucidate how reward information and aversive information are coded in the OFC at the individual neuron level. To achieve this aim, we introduced the electrical stimulus (ES) as an aversive stimulus, and compared the neuronal responses to the ES-predicting stimulus with those to reward-predicting stimuli. We found that many OFC neurons showed responses to both the ES-predicting stimulus and the reward-predicting stimulus, and they code relative preference of not only the reward outcome but also the aversive outcome. This result suggests that the same group of OFC neurons code both reward and aversive information in the form of relative preference.
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36
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Hosokawa T, Watanabe M. Primate prefrontal neuronal activity during a competitive video game. Neurosci Res 2007. [DOI: 10.1016/j.neures.2007.06.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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37
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Uto H, Chiba T, Umezawa K, Hosokawa T, Shinozaki S, Ai M, Konodo K, Shimokado K. Tu-P7:11 Hexyl-3,4-dephostatin-sensitive period in the early phase of insulin-induced adipocyte differentiation of 3T3-L1 cells. ATHEROSCLEROSIS SUPP 2006. [DOI: 10.1016/s1567-5688(06)80720-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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38
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Hosokawa T, Kato K, Inoue M, Mikami A. Correspondence of cue activity to reward activity in the macaque orbitofrontal cortex. Neurosci Lett 2005; 389:146-51. [PMID: 16118036 DOI: 10.1016/j.neulet.2005.07.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2005] [Revised: 07/08/2005] [Accepted: 07/22/2005] [Indexed: 11/21/2022]
Abstract
It has been reported that neurons in the orbitofrontal cortex (OFC) respond to emotionally significant events such as reward-predicting cues and/or the reward itself. The responses to reward-predicting cues are considered to carry the information of the predicted reward. However, few studies have focused on the relationship of the neuronal activity during a cue period with that during a reward period. We can infer that the cue responses of OFC neurons are correlated to the reward responses if they carry the information of the predicted reward. In this study, we focused on neurons that showed responses during both the cue and reward periods, and compared the response characteristics between these periods. We found 94 of 369 OFC neurons showed significant responses during both the cue and reward periods, and 43 of which preserved their selectivity between these periods. Furthermore, population analysis showed that stronger cue responses corresponded to stronger reward responses, and stronger reward responses corresponded to stronger cue responses. These results suggest that individual neurons in the OFC associate visual information with reward information, and contribute to the prediction of future rewards by forming reward representations.
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Nakaya N, Tsubono Y, Nishino Y, Hosokawa T, Fukudo S, Shibuya D, Akizuki N, Yoshikawa E, Kobayakawa M, Fujimori M, Saito-Nakaya K, Uchitomi Y, Tsuji I. Personality and cancer survival: the Miyagi cohort study. Br J Cancer 2005; 92:2089-94. [PMID: 15900301 PMCID: PMC2361779 DOI: 10.1038/sj.bjc.6602610] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
We tested the hypothesis that personality plays a role in cancer outcome in a population-based prospective cohort study in Japan. In July 1990, 41 442 residents of Japan completed a short form of the Eysenck Personality Questionnaire-Revised and a questionnaire on various health habits, and between January 1993 and December 1997, 890 incident cases of cancer were identified among them. These 890 cases were followed up until March 2001, and a total of 356 deaths from all causes was identified among them. Cox proportional-hazards regression was used to estimate the hazard ratio (HR) of death according to four score levels on each of four personality subscales (extraversion, neuroticism, psychoticism, and lie), with adjustment for potential confounding factors. Multivariable HRs of deaths from all causes for individuals in the highest score level on each personality subscale compared with those at the lowest level were 1.0 for extraversion (95% CI=0.8–1.4; Trend P=0.73), 1.1 for neuroticism (0.8–1.6; Trend P=0.24), 1.2 for psychoticism (0.9–1.6; Trend P=0.29), and 1.0 for lie (0.7–1.5; Trend P=0.90). The data obtained in this population-based prospective cohort study in Japan do not support the hypothesis that personality is associated with cancer survival.
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Kobayashi A, Hosokawa T, Tanaka Y. Recurrence of asthma after removal of adrenaline secreting pheochromocytoma. J Anesth 2005; 7:377-9. [PMID: 15278829 DOI: 10.1007/s0054030070377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/1992] [Accepted: 01/28/1993] [Indexed: 12/01/2022]
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41
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Hosokawa T, Kato K, Inoue M, Mikami A. Neurons in the orbitofrontal cortex code both visual shapes and reward types. Neuroreport 2004; 15:1493-6. [PMID: 15194881 DOI: 10.1097/01.wnr.0000130434.68092.e6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
It has been reported that neurons in the orbitofrontal cortex respond to visual cues that predict reward; however, few studies have focused on the neuronal correlates with the predicted reward type and the cue stimulus. In this study, we used a paired association task and introduced a reversal condition, in which cue stimuli that usually predict water were switched to predict juice, and vice versa. Of 111 cue-responsive neurons, 60 neurons (54.1%) depended on both the cue stimulus and the predicted reward type. The results suggest that neurons in the orbitofrontal cortex can code both visual and reward information, and contribute to the association between these two pieces of information according to the current combination of a cue stimulus and a reward type.
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Takabayashi Y, Haruyama Y, Rikiishi Y, Hosokawa T, Shibata K, Kubozono Y. Preferred location of the Dy ion in the minor isomer of Dy@C82 determined by Dy LIII-edge EXAFS. Chem Phys Lett 2004. [DOI: 10.1016/j.cplett.2004.02.065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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43
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Sasaoka A, Nishiya K, Hosokawa T, Ito H, Hashimoto K, Enzan H. The number of CD10-positive glomerular epithelial cells reflects renal prognosis in IgA nephropathy patients. Clin Nephrol 2003; 60:305-14. [PMID: 14640235 DOI: 10.5414/cnp60305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The glomerular epithelial cells play an important role in glomerular filtration of the kidney. The disruption of these cells contributes to the development of glomerulosclerosis. The present study was performed to elucidate whether loss of the glomerular epithelial cells is associated with renal injury in patients with IgA nephropathy. PATIENTS AND METHODS Thirty renal biopsy specimens from IgA nephropathy, 12 from minor glomerular abnormalities and 5 from normal controls were observed. The specimens from IgA nephropathy were divided into 2 groups: Group IgA-1, including 11 patients who had received a follow-up renal biopsy because of deterioration of renal function, and Group IgA-2, consisting of the remaining 19 patients without follow-up biopsy. Immunohistochemistry was performed using a monoclonal antibody against CD10 antigen that appears on mature epithelial cells of glomeruli. RESULTS The average number of CD10-positive glomerular epithelial cells (GECs) was significantly lower in IgA nephropathy than in either minor glomerular abnormalities or the normal controls. In IgA nephropathy, there were significant correlations of the GECs with renal functions. The GECs were reduced along with the progression of histopathological damage. In group IgA-1, the GECs were significantly reduced at the second biopsy compared with the first biopsy, and significantly fewer in group IgA-1 than in group IgA-2 at the first biopsy. The GECs showed a significant correlation with renal prognosis during the follow-up period. CONCLUSIONS The reduction of GECs was associated with renal dysfunction, histopathological damage and renal prognosis. The GECs may be a useful predictor of renal prognosis in IgA nephropathy.
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Uto H, Chiba T, Umezawa K, Hosokawa T, Kondo K, Shimokado K. 2P-0413 Two insulin-sensitizers differently affect insulin-induced adipogenesis. ATHEROSCLEROSIS SUPP 2003. [DOI: 10.1016/s1567-5688(03)90555-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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45
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Hori Y, Sato S, Yamate J, Kurasaki M, Nishihira J, Hosokawa T, Fujita H, Saito T. Immunohistochemical study of macrophage migration inhibitory factor in rat liver fibrosis induced by thioacetamide. Eur J Histochem 2003; 47:317-24. [PMID: 14706927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023] Open
Abstract
Macrophage migration inhibitory factor (MIF) is a molecule known to regulate macrophage accumulation at sites of inflammation. To elucidate the role of MIF in progression of liver fibrosis, the immunohistochemical localization of MIF and macrophages in the liver were examined. Male Wistar rats received thioacetamide (TA) injections (200 mg/kg, i.p.) for 1 or 6 weeks. In biochemical and histological tests, it was confirmed that liver fibrosis was induced. In immunohistochemical analyses, the expression of MIF protein was seen in hepatocytes in the areas extending out from the central veins to the portal tracts. In particular, at 6 weeks, immunoreactivity was detected in degenerated hepatocytes adjacent to the fibrotic areas but hardly observed in the fibrotic areas. On the other hand, a number of exudate macrophages stained by antibody ED1 were seen in the areas from the central veins to the portal tracts at 1 week and in the fibrotic areas at 6 weeks. Macrophages also showed a significant increase in number as compared with controls. These results revealed that there was a close relationship between the appearance of MIF expression and ED1-positive exudate macrophages in degenerated hepatocytes during the progression of TA-induced liver fibrosis.
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46
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Ohta M, Saito T, Saito K, Kurasaki M, Hosokawa T. Effect of trichloroethylene on spatiotemporal pattern of LTP in mouse hippocampal slices. Int J Neurosci 2002; 111:257-71. [PMID: 11912680 DOI: 10.3109/00207450108994236] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The effect of trichloroethylene (TCE) on long-term potentiation (LTP) was studied using both electrical and optical recording. The hippocampi from mice injected with 300 mg/kg or 1000 mg/kg TCE were sliced 24 h after administration. The field potential from the CAI was recorded. After the application of tetanus, population spikes (PS) were potentiated in all groups, but the post-per-pre ratio of PS was smaller in TCE groups than in the control. Optical recording was also carried out in 1000 mg/kg TCE-injected mice and a new analytical method using a high speed camera was employed. After the induction of tetanus, the optical signal was potentiated in both TCE and control groups. However, the post-per-pre ratio of the optical signals and response area were smaller in the TCE groups than in the control. It was suggested that the impairment of LTP is one of the mechanisms of the impairment of immediate memory after acute exposure to TCE in humans.
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47
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Calvo C, Hosokawa T, Reinheimer H, Maitlis PM. Structure of .sigma., .pi.-[2-(pentamethylcylopentadienyl)-p-methylphenethyl](acetylacetonate)palladium from the trimerization of 2-butyne with tolylpalladium chloride. A dihapto-cyclopentadiene. J Am Chem Soc 2002. [DOI: 10.1021/ja00764a059] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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48
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Hosokawa T, Maitlis PM. Lightly stabilized model for acid and base reactions, carbonylation, and .beta.-hydride elimination in organopalladium chemistry. Reactions of bis[dihapto-.sigma.,.pi.-1-(1-phenylethylene)pentamethylcyclopentadiene]dichlorodipalladium(II). J Am Chem Soc 2002. [DOI: 10.1021/ja00796a025] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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49
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Hosokawa T, Maitlis PM. Model system for acid and base reactions, carbonylation, and .beta.-hydride elimination in organopalladium chemistry. J Am Chem Soc 2002. [DOI: 10.1021/ja00764a060] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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50
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Hosokawa T, Calvo C, Lee HB, Maithlis PM. Reactions of acetylenes with noble-metal halides. X. Reaction of phenylpalladium chloride with 2-butyne and the structure and stereochemical nonrigidity of a dihaptocyclopentadiene, [dihapto-.sigma.,.pi.-1-(1-arylethylene)pentamethylcyclopentadiene]acetylacetonatopalladium(II). J Am Chem Soc 2002. [DOI: 10.1021/ja00796a024] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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