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標(biāo)題: Titlebook: Organic Reaction Mechanisms; 40 Solved Cases Mar Gómez Gallego,Miguel A. Sierra Textbook 2004 Springer-Verlag Berlin Heidelberg 2004 Anorga [打印本頁]

作者: HBA1C 時(shí)間: 2025-3-21 19:36
書目名稱Organic Reaction Mechanisms影響因子(影響力)

書目名稱Organic Reaction Mechanisms影響因子(影響力)學(xué)科排名

書目名稱Organic Reaction Mechanisms網(wǎng)絡(luò)公開度

書目名稱Organic Reaction Mechanisms網(wǎng)絡(luò)公開度學(xué)科排名

書目名稱Organic Reaction Mechanisms被引頻次

書目名稱Organic Reaction Mechanisms被引頻次學(xué)科排名

書目名稱Organic Reaction Mechanisms年度引用

書目名稱Organic Reaction Mechanisms年度引用學(xué)科排名

書目名稱Organic Reaction Mechanisms讀者反饋

書目名稱Organic Reaction Mechanisms讀者反饋學(xué)科排名

作者: 無情 時(shí)間: 2025-3-21 22:29
Mar Gómez Gallego,Miguel A. Sierraxternen Akteure stellt die entscheidende Ressource für die Innovationsarbeit dar. Damit aus dem Wissen neue Ideen entstehen, sollte die Kreativit?t und Motivation der Beteiligten mit gezielten Ma?nahmen angeregt und gef?rdert werden, wobei es um spezielle Kreativit?tstechniken und agile Entwicklungs

作者: 預(yù)知 時(shí)間: 2025-3-22 02:28
Mar Gómez Gallego,Miguel A. Sierraxternen Akteure stellt die entscheidende Ressource für die Innovationsarbeit dar. Damit aus dem Wissen neue Ideen entstehen, sollte die Kreativit?t und Motivation der Beteiligten mit gezielten Ma?nahmen angeregt und gef?rdert werden, wobei es um spezielle Kreativit?tstechniken und agile Entwicklungs

作者: 斜 時(shí)間: 2025-3-22 05:19
Mar Gómez Gallego,Miguel A. Sierraxternen Akteure stellt die entscheidende Ressource für die Innovationsarbeit dar. Damit aus dem Wissen neue Ideen entstehen, sollte die Kreativit?t und Motivation der Beteiligten mit gezielten Ma?nahmen angeregt und gef?rdert werden, wobei es um spezielle Kreativit?tstechniken und agile Entwicklungs

作者: 壕溝 時(shí)間: 2025-3-22 09:59

作者: Respond 時(shí)間: 2025-3-22 15:41

作者: 果仁 時(shí)間: 2025-3-22 19:04

作者: 安定 時(shí)間: 2025-3-22 23:20
Mar Gómez Gallego,Miguel A. Sierraxternen Akteure stellt die entscheidende Ressource für die Innovationsarbeit dar. Damit aus dem Wissen neue Ideen entstehen, sollte die Kreativit?t und Motivation der Beteiligten mit gezielten Ma?nahmen angeregt und gef?rdert werden, wobei es um spezielle Kreativit?tstechniken und agile Entwicklungs

作者: transplantation 時(shí)間: 2025-3-23 03:18

作者: Condyle 時(shí)間: 2025-3-23 06:04

作者: Trabeculoplasty 時(shí)間: 2025-3-23 12:28
Level 1 — Case 10 Nucleophile Versus Base Catalysisechanisms for amine-catalyzed reactions of carbonyl compounds involve acylium ion and ketene intermediates (the latter can only occur for acid halides containing α-hydrogens), but the actual role of the catalyst is still uncertain.

作者: fibroblast 時(shí)間: 2025-3-23 16:19
nd thermodynamic data, isotopic labelling and organic reactivity. The book makes an excellent primer for advanced undergraduates in chemistry who are preparing for exams and is also?useful for graduate students and instructors..978-3-642-62292-2978-3-642-18788-9

作者: 體貼 時(shí)間: 2025-3-23 21:33

作者: ACTIN 時(shí)間: 2025-3-24 01:27
http://image.papertrans.cn/o/image/703868.jpg

作者: 失誤 時(shí)間: 2025-3-24 03:09

作者: 斥責(zé) 時(shí)間: 2025-3-24 06:50

作者: 貪心 時(shí)間: 2025-3-24 11:39

作者: Climate 時(shí)間: 2025-3-24 17:09

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作者: 觀察 時(shí)間: 2025-3-25 00:16
Level 2 — Case 19 Chelate-Controlled Carbonyl Addition Reactions SnCl. was employed, aldols . were obtained preferentially with selectivities higher than 95:5. Instead, the stereoisomers . were isolated with nearly total stereoselectivity when Me.AlCl (2 eq) was used to promote the reaction (Scheme 19.1a and b)..

作者: 顛簸地移動(dòng) 時(shí)間: 2025-3-25 06:36

作者: macular-edema 時(shí)間: 2025-3-25 11:04
Level 1 — Case 2 Sulfenylation of Indole3-Indolyl sulfides . are easily prepared by sulfenylation of indoles with sulfenyl chlorides. The mechanism of the sulfenylation is well known and follows the usual S.Ar-type substitution pathway depicted in Scheme 2.1.

作者: 小鹿 時(shí)間: 2025-3-25 15:43
Level 1 — Case 7 NaBH4 Reduction of α,β-Unsaturated Chromium Carbene ComplexesConjugated chromium Fischer alkoxy carbene complex . is quantitatively transformed into a mixture of .-vinyl ether . and .-allyl ether . by NaBH. reduction in EtOH (Scheme 7.1).

作者: ELATE 時(shí)間: 2025-3-25 16:22

作者: 玩笑 時(shí)間: 2025-3-25 21:26

作者: Nutrient 時(shí)間: 2025-3-26 00:30
Level 1 — Case 12 Elimination Reactions of Benzaldehyde ,-Benzoyloximes.- and .-Benzaldehyde .-benzoyloximes . and ., give benzonitriles in quantitative yield upon treatment with DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) (Scheme 12.1).

作者: 易受騙 時(shí)間: 2025-3-26 07:03

作者: 遠(yuǎn)足 時(shí)間: 2025-3-26 11:26
Level 1 — Case 16 Light-Induced Cycloadditions of ,-Phthaloyl α-Amino AcidsThe irradiation of .-phthaloyl αamino acids . in the presence of electron-deficient olefins, such as methyl acrylate, gives benzopyrrolizidines . in good yields (Scheme 16.1).

作者: 顯赫的人 時(shí)間: 2025-3-26 13:50

作者: Alveoli 時(shí)間: 2025-3-26 17:58

作者: 大洪水 時(shí)間: 2025-3-26 22:29

作者: companion 時(shí)間: 2025-3-27 04:35

作者: 不可思議 時(shí)間: 2025-3-27 05:32
Level 1 — Case 5 Rearrangements from Tetrahydropyran Derivativesng in several distinct products that are obtained as diastereomeric mixtures (Scheme 5.1). The formation of these products could be rationalized by considering the initial generation of a carbocationic intermediate (. or .) from which different final products can be obtained. For example, trapping o

作者: SPALL 時(shí)間: 2025-3-27 13:24
Level 1 — Case 6 Stereospecific Substitution Reactions of Epoxy Sulfidesess of Me.Al yielded after acid quenching, .-hydroxy sulfides ., whereas .-1-(phenylthio)-2,3-epoxyalkanes . under the same conditions, yielded .-hydroxy sulfides .. In both cases the yields of isolated products were greater than 95% (Scheme 6.1).

作者: anniversary 時(shí)間: 2025-3-27 16:49
Level 1 — Case 8 Addition of Hydroxylamines to α,β-Unsaturated Esterstested with ethyl (.)-cinnamate ., different results were obtained depending on the reagent employed. Thus, the reaction of . with .-methylhydroxylamine yielded the isoxazolidinone ., whereas no reaction took place (the starting material was recovered unaltered) when .-methylhydroxylamine was used (

作者: 權(quán)宜之計(jì) 時(shí)間: 2025-3-27 19:30

作者: 提名 時(shí)間: 2025-3-27 23:12
Level 1 — Case 14 Cyclization of 2,3-Dibenzylidenesuccinatestural products found in plants. The stereochemistry of the cyclization products depends on the reaction conditions. For example, irradiation of succinate . in EtOH yields almost exclusively .-dihydronaphthalene ., whereas heating of . with trifluoromethanesulfonic acid (CF.SO.H, triflic acid) in CH.

作者: uveitis 時(shí)間: 2025-3-28 05:42
Level 1 — Case 15 Oxazoline ,-Oxides as Dipoles in [3+2] Cycloadditions proceed in good yields and are highly .- and .-stereoselective. Thus, regioisomers . are obtained preferentially to . (the . ratios are about 95:5), with almost complete endo-selectivity (Scheme 15.1).

作者: 慢慢流出 時(shí)間: 2025-3-28 08:36
Level 2 — Case 18 Unusual Diels-Alder Reactivity of Acyclic 2-Azadieneson-rich dienophiles in an . Diels-Alder reaction. However, for a diene, . shows a very unusual reactivity, since it participates in cycloadditions with both electron-rich and electron-deficient dienophiles. As an example, reaction of azadiene . with diethyl fumarate yields pyridine . whereas in the

作者: Angioplasty 時(shí)間: 2025-3-28 14:27
Level 2 — Case 19 Chelate-Controlled Carbonyl Addition Reactions SnCl. was employed, aldols . were obtained preferentially with selectivities higher than 95:5. Instead, the stereoisomers . were isolated with nearly total stereoselectivity when Me.AlCl (2 eq) was used to promote the reaction (Scheme 19.1a and b)..

作者: 是剝皮 時(shí)間: 2025-3-28 17:13

作者: Costume 時(shí)間: 2025-3-28 22:02
Mar Gómez Gallego,Miguel A. Sierraarage tüftelt, oder aus einer Universit?t, die Grundlagenforschung betreibt, oder auch aus der Abteilung für Forschung und Entwicklung (F&E) eines Unternehmens im Rahmen einer vorgegebenen Innovationsstrategie. Oft werden die alten und neuen Komponenten zu innovativen L?sungen neu kombiniert, wobei

作者: Fermentation 時(shí)間: 2025-3-29 00:56

作者: 珊瑚 時(shí)間: 2025-3-29 06:23
Mar Gómez Gallego,Miguel A. Sierraarage tüftelt, oder aus einer Universit?t, die Grundlagenforschung betreibt, oder auch aus der Abteilung für Forschung und Entwicklung (F&E) eines Unternehmens im Rahmen einer vorgegebenen Innovationsstrategie. Oft werden die alten und neuen Komponenten zu innovativen L?sungen neu kombiniert, wobei

作者: 贊美者 時(shí)間: 2025-3-29 07:33
Mar Gómez Gallego,Miguel A. Sierraarage tüftelt, oder aus einer Universit?t, die Grundlagenforschung betreibt, oder auch aus der Abteilung für Forschung und Entwicklung (F&E) eines Unternehmens im Rahmen einer vorgegebenen Innovationsstrategie. Oft werden die alten und neuen Komponenten zu innovativen L?sungen neu kombiniert, wobei

作者: COMMA 時(shí)間: 2025-3-29 13:02

作者: 預(yù)感 時(shí)間: 2025-3-29 17:22

作者: 散開 時(shí)間: 2025-3-29 20:52
Mar Gómez Gallego,Miguel A. Sierraarage tüftelt, oder aus einer Universit?t, die Grundlagenforschung betreibt, oder auch aus der Abteilung für Forschung und Entwicklung (F&E) eines Unternehmens im Rahmen einer vorgegebenen Innovationsstrategie. Oft werden die alten und neuen Komponenten zu innovativen L?sungen neu kombiniert, wobei

作者: 不能平靜 時(shí)間: 2025-3-30 03:40

作者: 自由職業(yè)者 時(shí)間: 2025-3-30 06:43

作者: 凝乳 時(shí)間: 2025-3-30 09:52
Level 1 — Case 5 Rearrangements from Tetrahydropyran Derivativesin the intermediate .. In other cases, as in ., the cation and the oxygen bearing the Lewis acid (still sufficiently nucleophilic) are placed at a distance that allows the cyclization faster than the other competing pathways, leading to bicyclic compounds like ..

作者: extemporaneous 時(shí)間: 2025-3-30 12:49
Textbook 2004 reaction mechanism can be considered or rejected based on the analysis of the experimental evidence. Examining a series of selected examples of mechanisms, .Organic Reaction Mechanisms. focuses on real cases and discusses them in detail, following the same methodology: introduction, experimental da

作者: 逢迎白雪 時(shí)間: 2025-3-30 19:07
l cases that have been taken from the recent literature.Guid..Organic Reaction Mechanisms. shows readers how to interpret the experimental data obtained from an organic reaction, and specifically how an organic reaction mechanism can be considered or rejected based on the analysis of the experimenta

作者: 蔓藤圖飾 時(shí)間: 2025-3-31 00:07

作者: 減弱不好 時(shí)間: 2025-3-31 01:57

作者: 事先無準(zhǔn)備 時(shí)間: 2025-3-31 06:33
Level 1 — Case 14 Cyclization of 2,3-DibenzylidenesuccinatesCl. yields .-dihydronaphthalene . together with a small amount of the dearylized product .. Prolonged heating or the use of excess triflic acid decreases the yield of ., making compound 4 the major reaction product (Scheme 14.1).

作者: HAWK 時(shí)間: 2025-3-31 10:55