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#1次甲基- 維基百科，自由的百科全書
次甲基（methine group，methyne group，methene group）是指一個和甲烷對應的三價官能團，一般指≡CH。 三種次甲基：1和4（⪫CH）甲爪基，2（-CH=）為甲基亞 ...
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#213 張Methine 圖片、庫存照片和向量圖
歡迎瀏覽Shutterstock 收錄的高畫質Methine庫存圖片和其他百萬張免版稅庫存照片、插圖和向量圖。 每天收錄數千張高水準圖片。
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#3Illustrated Glossary of Organic Chemistry - Methylene group
Methine group: A portion of molecular structure equivalent to methane minus three hydrogen atoms: CH. The methine carbon can be sp, sp, or sp.
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#4About: Methine group
In organic chemistry, a methine group or methine bridge is a trivalent functional group =CH−, derived formally from methane. It consists of a carbon atom ...
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#5methine - 維基詞典，自由的多語言詞典 - Wiktionary
methine 編輯. 語言; 編輯. 英語 編輯. 名詞 編輯 · 次甲基; <舊>甲川 · CrowleyBot最後編輯於2年前. 語言. 不转换 · 简体 · 繁體 · English · Русский. 維基詞典.
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#6Methine
In chemistry, methine (also known as methylidyne) is a tri-valent functional group CH, derived formally from methane. The methine group consists of a carbon ...
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#7Sustainable methine sources for the synthesis of ...
Alcohols and ethers were identified as sustainable methine sources for synthesizing quinazolinone and benzimidazole derivatives using a combination of ...
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#8Methine (CH) Transfer via a Chlorine Atom Abstraction ...
Methine (CH) transfer to an open coordination site was achieved in one pot by titanium(III) abstraction of Cl from 7-chloronorbornadiene, ...
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#9Methine initiated polypropylene-based disposable face ...
Methine initiated polypropylene-based disposable face masks aging validated by micromechanical properties loss of atomic force microscopy.
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#10Methine Definition & Meaning
The meaning of METHINE is methylidyne—used especially in names of classes of cyanine dyes and other polymethine dyes.
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#11Synthesis of Methylene‐ and Methine‐Bridged Oligopyridines
Abstract A variety of methylene- and methine-bridged oligopyridines are conveniently accessible through stepwise nucleophilic aromatic ...
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#12New thiophene-based azo ligands containing azo methine ...
Transition metal-complexed azo methine compounds have been studied in great detail in the literature for understanding their optical and electronic ...
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#13Bond alternation, polarizability, and resonance detuning in ...
We derive structure–property relationships for methine (“Brooker”) dyes relating the color of the dye and its symmetric parents to its bond ...
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#14次甲基組Methine Group: 最新的百科全書
次甲基組Methine Group · 介紹. Previous Next · 重疊次甲基. 兩個或更多個次甲基橋可以重疊以形成碳原子交替的單鍵和雙鍵的鍊或環，如間戊二烯H 2 C=CH-CH=CH-CH 3 和化合物 ...
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#15Methine group
In organic chemistry, a methine group or methine bridge is a trivalent functional group =CH−, derived formally from methane. It consists of a carbon atom ...
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#1613C NMR Assignments of the Methine Carbons in ...
The methine carbon resonances for atactic polypropylene were assigned based on methyl carbon resonances by two-dimensional 13C-13 C INADEQUATE NMR ...
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#17methine在線翻譯_英語
methine 的相關資料：. 臨近單詞. methy meth methilepsia methenamine methysticin methanogens methaqualon methacrylic methfuroxam methyaltion methyridine ...
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#18Synthesis and characterization of poly(pyrrolyl methine)
關鍵字: small band-gap;conducting polymer;poly(pyrrolyl methine). 公開日期: 1-九月-2001. 摘要: A novel small band-gap conjugated polymer - poly ...
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#19Methine: Webster's Timeline History, 1971 - 2006 ...
Amazon.com: Methine: Webster's Timeline History, 1971 - 2006: International, Icon Group: 圖書.
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#20US10266697B2 - Yellow methine dyes
The present invention relates to novel methine dyes, methods for the preparation thereof and use thereof for dyeing plastics, especially polyamides, ...
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#21Selective Activation of Methylene or Methine Groups in ...
The reactivity of methylene or methine groups in the dipeptide moieties of those Schiff base chelates has been investigated on the basis of their PMR ...
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#22US3257394A - Substantive methine dyes - Google Patents
United States, Patent 3,257,394 SUBSTANTIVE METHINE DYES Werner Victor Cohen, Newark, Del., assignor to E. I. du Pont de Nemonrs and Company, Wilmington, ...
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#23Synthesis of Microspheres of Poly (pyrrolyl methine) by ...
Conducting microspheres of poly (pyrrolyl methine) (PPDMABE-MS) were synthesized by the interfacial polymerization. An optimal condition was ...
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#24單(雙)-次甲基口奎口林雜環衍生物合成與應用性的研究
本研究主要是合成Mono(Di)-Methine與Aza-Methine Quinoline雜環衍生物。其合成方面共分為四部分。以烷基碘[Ethyl(Amyl)Iodide]將口奎口林衍生物[2(4)-Methyl ...
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#25C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes
Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654). 07/2014. 07/09/2014, CN101448900B 包含具有杂环和内部阳离子电荷的硫醇或二硫化物 ...
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#26Formation of blue diquinolinyl methine dyes by irradiation ...
Irradiation of N-acylated primaquines 1b–d in chloroform solution with ultraviolet light afforded blue diquinolinyl methine dyes 3b–d.
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#27Bond Alternation, Polarizability and Resonance Detuning ...
We derive structure-property relationships for methine ("Brooker") dyes relating the color of the dye and its symmetric parents to its bond ...
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#28Biosynthesis of vitamin B12: concerning the origin ...
Biosynthesis of vitamin B12: concerning the origin of the methine protons of the corrin nucleus. A I Scott, M Kajiwara, and P J SantanderAuthors Info & ...
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#29Synthesis of [methine-<sup>3</sup>H]DDT and its nitro-analog
[methine- 3 H]1,1-Di-(4-chlorophenyl)-2,2,2-trichloroethane ([methine- 3 H]DDT) and its di-(4-nitrophenyl) analog, both of high purity with a moderately ...
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#30A Novel poly {(2,5-diyl thiophene) (2-Thiophenyl Methine)} ...
A Novel poly {(2,5-diyl thiophene) (2-Thiophenyl Methine)} from the Acid-Catalyzed Polycondensation of thiophene and thiophene-2-carbanaldehyde.
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#31新型環保的次甲基源可作為合成雜環化合物
Novel eco-friendly methine sources can synthesize useful heterocycles. In the recent study, the researchers at Kaohsiung Medical University have developed a ...
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#32A new synthetic route for the production of a thiophene ...
Methine -bridged type π-conjugated polymer was synthesized using a Migita–Kosugi–Stille polycondensation reaction in the presence of a Pd(0.
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#33methine - Translation into French - examples English
Translations in context of "methine" in English-French from Reverso Context: Colored unsaturated polyesters having copolymerized therein certain methine ...
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#34Symmetry 2: Unifying Human Understanding
Construction of the LPS of the trimethine-methine unit from the LPS of the methine units For each trimethine—methine unit, there are three intersection sets ...
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#35則包含該關鍵詞出現在任一欄位(含基本資料及摘要)的所有計畫
從1,3-Indanedion衍生設計一系列新的Azo, Azomethine 及Methine 染料之合成與鑑定. 計畫主持人： 王英靖系統編號：PB9607-1510年度：96當年度經費： 626 千元
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#36Synthesis and Properties of Poly(Isothianaphthene ...
We synthesized poly(isothianaphthene methine)s with chiral alkyl chains in the substituent. Resultant polymers are soluble in THF and CHCl3.
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#371 H NMR spectra of the methine region of PLA: (a) poly(D,L ...
Download scientific diagram | 1 H NMR spectra of the methine region of PLA: (a) poly(D,L-lactide), (b) homonuclearly decoupled poly(D,L-lactide), ...
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#38Solvent Effects on the Spectral Properties of the Methine ...
The spectral characteristics (absorption, fluorescence and lifetimes of fluorescence) of methine dyes in different solvents are presented.
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#39DIMERIC AND MONOMERIC METHINE BASES IN THE 1,3 ...
Treatment of 2-alkyl-3,5-diaryl-1,3,4-thiadiazolium perchlorates 1 with triethylamine leads to monomeric or dimeric methine bases, 2 or 3, depending on the ...
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#40File:Methine.svg
File:Methine.svg ... Size of this PNG preview of this SVG file: 320 × 283 pixels. Other resolutions: 543 × 480 pixels | 868 × 768 pixels | 1,158 × ...
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#41Synthesis of Poly(bis-3,4-ethylenedioxythiophene methine) ...
New poly(bis-3,4-ethylenedioxythiophene methine)s derivatives with typical electro-optical moieties of thiophene, carbazole and fluorene as ...
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#42New Synthetic Reactions Using Conjugate Addition ...
On the other hand, the reactions of dialkynyl imines instead of alkynyl imines with active methine compounds give 3, 4, 5, 6-tetrasubstituted-2-pyridones. We ...
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#43Biosynthesis of vitamin B12: concerning the origin ... - OAKTrust
A I Scott; M Kajiwara; P J Santander (1987). Biosynthesis of vitamin B12: concerning the origin of the methine protons of the corrin nucleus.. Proceedings of ...
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#4420200109290 Methine dyes
The present invention relates to novel methine dyes, methods for the preparation thereof and use thereof for dyeing plastics, especially polyamides, ...
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#45Development and optimization of photoredox-mediated ...
Development and optimization of photoredox-mediated methine epimerization. Author(s). Wang, Kathleen J. Thumbnail. Download ...
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#46Synthesis and characterisation of methine dyes derived ...
A range of methine dyes has been synthesised by condensation of electronegative active methylene compound, 4‐nitrophenylacetonitrile with ...
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#47Synthesis and Photophysical Properties of Novel Highly ...
Cyanine dyes of zero/bis-zero methine incorporating imid-azo(1,2-a)Pyridine (quinoline) or pyrazino(1,2-a)pyridine (quinoline) with stable C-N bond were ...
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#48save
DMSO as a Methine Source in TFA-Mediated One-Pot Tandem Regioselective Synthesis of 3-Substituted-1-Aryl-1H-Pyrazolo-[3,4-b]quinolines from Anilines and ...
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#49THE PHARMACOLOGICAL ACTION OF THE ALKALOIDS ...
DICENTRINE METHINE HYDROCHLORIDE. R. A. WAUD. Journal of Pharmacology and Experimental Therapeutics November 1936, 58 (3) 332-336;. R. A. WAUD.
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#50Metabolite diclofenac o-imine methine | DrugBank Online
Synonyms: Not Available; UNII: Not Available; CAS number: Not Available; Weight: Average: 250.12. Monoisotopic: 249.0112047; Chemical Formula: C13H9Cl2N ...
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#51Azo Methine Medium 4oz [PY117002] - $45.00
Guerrapaint & Pigment Corp. Azo Methine Medium 4oz [PY117002] - Azo Methine Medium Pigment Dispersion Pigment Class: Metal Complex/Azo ...
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#52(a) How many methyl, methylene and methine groups are ...
... alkane and answer the following question (CH3)2CHCH3CH(C2H5)CH(CH3)CH3 (a) How many methyl, methylene and methine groups are present in this alkane?
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#53New extended methine dyes for application in laser ...
Based on the known reverse saturable absorption properties of certain coumarin and long chain polymethine dyes, the synthesis of new related ...
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#54Intramolecular Carbostannation Reaction of Active Methine ...
Intramolecular Carbostannation Reaction of Active Methine Compounds with an Unactivated C−C π-Bond Mediated by SnCl 4 −Et 3 N.
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#55Photochemistry and Photoelectrochemistry of Donor-π- ...
Photochemistry and Photoelectrochemistry of Donor-π-acceptor Azo-methine Dyes*[J]. Acta Physico-Chimica Sinica, ;2000, 16(09): 787-791. doi: ...
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#56How to Pronounce Methine - YouTube
How to Pronounce Methine. 1.4K views · 8 years ago ...more. Pronunciation Guide. 248K. Subscribe. 248K subscribers. 3. Share. Save. Report ...
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#57DMSO as a Methine Synthon: K2S2O8-Mediated Synthesis ...
An oxidative annulation pathway has been developed where DMSO acts as a methine source to reduce the use of costly metal catalysts. Read more here.
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#58methine
methine. functional group derived from methane by removing three hydrogen atoms. methyne; methine group. In more languages.
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#59Methine Group png images
Methamphetamine Molecule Chemical structure Chemistry Chemical formula, Methine Group, angle, white, text png 1024x601px 23.1KB; Functional group Methine ...
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#609 Nomenclature Conventions To Know
Methine protons are on a tertiary carbon (CH). Why it's useful: In the case of methine, useful shorthand for saying “proton on a tertiary ...
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#61Handbook of Pyrrolidone and Caprolactam Based Materials, 6 ...
In the AAA triad sequence (Figure 18.31a), the backbone methylene protons (HA highlighted in blue) neighbor two monomeric A methine protons (HA highlighted ...
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#62NMR Case Studies: Data Analysis of Complicated Molecules
... 123.7 Methine – 123.2 Nonprotonated 7.67 117.8 Methine 6.87 116.2 Methine – 105.7 Nonprotonated 5.11 104.9 Methine 4.53 102.5 Methine 6.19 100.1 Methine ...
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#63Methine triacetate
Applications: Separation of Methine triacetate on Newcrom R1 HPLC column. May 16, 2018. View Application · Separation of Methine triacetate on Newcrom R1 ...
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#64The Systematic Identification of Organic Compounds
... d 6 Methine 128.3 3 24.2 Carbon disulfide 192.8 Carbon tetrachloride 96.7 Chloroform- d Methine 77.0 Cyclohexane- d12 Methylene 26.4 Dimethylformamide- ...
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#65次甲基
次甲基（Methine）是指一個和甲烷對應的三價官能團（≡CH）。定義由一個碳原子與一個氫原子組成的三價基CH呏， 次甲基是有機化合物中常見的結構單位。
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#66Industrial Dyes: Chemistry, Properties, Applications
Methine dyes and polyene dyes are characterized by a chain of methine groups that forms a system of conjugated double bonds. The methine chain in polyene ...
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#67Official Gazette of the United States Patent and Trademark ...
... and ( i ) one of Z1 to Z4 represents a methine group substituted by a -D - E - F - G group , a second one of Z1 to Z4 repre- sents a methine group ...
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#68Modern NMR Approaches to the Structure Elucidation of ...
Once the stereospecific relationship between the individual methylene protons and the first methine is established, their orientations relative to the ...
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#69A Supramolecular Host Promotes Orthoformate Hydrolysis
presence of NEt4+, the orthoformate methine resonances sharpened to v1/2 = 3.4 Hz, confirm ing lack of encapsulation. We probed the reaction mechanism by.
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#70無題
Methyl methylene and methine groups? 16357 highway 67 ramona california. Medisch centrum alkmaar radiologie anoual casablanca. Camping di lusso in sicilian.
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#71Organic SpecID
Syllabus · IHD · Fun groups · IR problems · NMR · Mass spec · OrganicSpecID · SDBS · UCLA · ChemDraw · Niihka. NMR27v. CLOSE XIntroduction to NMR ...
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#72메틴 2
영어 번역모바일Metin2메틴기: Methine group에메틴: 에메틴 『化』 emetine. 스킬 관련: 스킬 또한 여러 가지 방식으로 많이 변질이 되었고 최종적으로는 ...
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#73Chloramphenicol Capsule 250mg - Hindi-Blog
Chloramphenicol Role of serum total sialic acid in differentiating cholangiocarcinoma from hepatocellular carcinoma The remaining methylene and methine ...
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