공간 저항
분자 주위의 원자나 기단의 공간 배열로 인한 분자 상호작용을 차단한다.
화학 원료를 구입해야하는 경우 요청 정보를 제출하여최신견적을받으십시오.
공간 저항의 학술 논문
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Synthesis and application of 3-substituted (S)-binol as chiral ligands for the asymmetric ethylation of aldehydes
화학 물질
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Chloromethyl methyl ether
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Diethylzinc
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벤즈알데히드
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Highly stereoselective Diels-Alder reactions achieved on some hexopyranosidic templates
화학 물질
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methyl 4,6-di-O-benzyl-α-D-mannopyranoside
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Nonbonding interactions and stereoselection in the Corey-Bakshi-Shibata reduction
화학 물질
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(R)-2-methyl-1-(2,5-dimethylphenyl)propanol
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Electronic and Conformational Effects in the Photochemistry of α-Alkenyl-Substituted Vinyl Halides
화학 물질
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(E)-2-Bromo-4-methyl-1-phenyl-1,3-pentadiene
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SELONES AS INTERMEDIATES IN THE PREPARATION OF EXTREMELY STERICALLY HINDERED MOLECULES
화학 물질
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TRIPHENYLPHOSPHINE SELENIDE
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Structure-related variable responses of calcium sensitive MRI probes
화학 물질
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tri-tert-butyl 2,2',2''-(10-(2-(2-(2-(benzyloxycarbonylamino)ethoxy)phenoxy)ethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate
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Effect of progressive benzyl substitution on the conformations of aminocaproic acid-cyclized dipeptides
화학 물질
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2-Oxazolidinone, 3-(6-bromo-1-oxohexyl)-4-(phenylmethyl)-, (4S)-
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PHENOL-RETINAL SCHIFF BASE HYDROGEN BONDS - INFLUENCE OF STERIC HINDRANCE AND PHENOL ACIDITY ON THE THERMODYNAMIC DATA OF FORMATION AND PROTON TRANSFER
화학 물질
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9-cis-retinal n-butylamine Schiff base
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ENHANCEMENT OF STEREOSELECTIVITY IN CATALYTIC CYCLOPROPANATION REACTIONS
화학 물질
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2-Phenyl-cyclopropanecarboxylic acid 1-isopropyl-1,2-dimethyl-propyl ester
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Structural effects on interconversion of oxygen-substituted bisketenes and cyclobutenediones
화학 물질
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3-Cyclobutene-1,2-dione, 3,4-bis(4-nitrophenoxy)-
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Relative Reactivities of Some Polycyclic Aromatic Hydrocarbons in Catalytic Hydrogenation over Raney Nickel
화학 물질
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6b,7,8,9,10,10a-hexahydrofluoranthene
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Structure-activity relationships and colorimetric properties of specific probes for the putative cancer biomarker human arylamine N-acetyltransferase 1
화학 물질
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N-(3'-(4-bromophenylamino)-1',4'-dioxo-1',4'-dihydronaphthalen-2'-yl)benzenesulphonamide
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Diastereoselectivity Control Elements. Acyclic Diastereocontrol in Formation and Reactions of γ-Hydroxysulfones
화학 물질
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(1S,3S)-3-Benzenesulfonyl-4-methyl-1-phenyl-pent-4-en-1-ol
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Stereoselective conjugate addition of alkyl groups to (S)-4-(tert-butyldimethylsilyloxy)-2-cyclopentenone derivatives
화학 물질
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(S)-1-benzenesulfonyl-4,5-bis(tert-butyldimethylsilyloxy)-1-diazo-2-pentanone
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Novel chiral P,O-ligands for homogeneous Pd(0) catalysed asymmetric allylic alkylation reactions
화학 물질
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(S)-N-(1-benzyl-2-hydroxy-ethyl)-2-(diphenylphosphino)benzamide
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An Infrared Study of Rotational Isomerism in Thiazole-2-carboxylates
화학 물질
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4-Ethyl-1,3-thiazole-2-carboxylic acid
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Intermolecular C-H amination of complex molecules: Insights into the factors governing the selectivity
화학 물질
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(1S,6R)-N-[N-(S)-(p-toluenesulfonyl)-p-toluenesulfonimidoyl]-3-methyl-6-(prop-1-en-2-yl)cyclohex-2-enamine
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Unexpected resistance to base-catalyzed hydrolysis of nitrogen pyramidal amides based on the 7-azabicyclic[2.2.1]heptane scaffold
화학 물질
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7-Azabicyclo[2.2.1]heptane, 7-benzoyl-
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Effects of Glycosidation on Peptide Backbone Conformation
화학 물질
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O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-Nα-(fluoren-9-ylmethoxycarbonyl)-L-threonine pentafluorophenyl ester
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Barriers to Rotation and Inversion in meso-1,1'-Bi(2-methylpiperidine)s
화학 물질
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Piperidine, 2,4-dimethyl-, (2R,4R)-rel-
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Unexpected variations in sites of lithiation of N-(2-methoxybenzyl)- pivalamide
화학 물질
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2-methoxy-3-(pivaloylaminomethyl)benzoic acid
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Steric Course of Ketopantoate Hydroxymethyltransferase in E. coli
화학 물질
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METHYL FORMATE-D
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Preparation of axially chiral biphenyl diphosphine ligands and their application in asymmetric hydrogenation
화학 물질
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Phosphine, (5,5'-dimethoxy-4,4',6,6'-tetramethyl[1,1'-biphenyl]-2,2'-diyl)bis[diphenyl- , (R)-
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Ramberg-Backlund rearrangement vs. β-Elimination of haloform from trichloro and trifluoromethyl sulfones
화학 물질
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Diphenylmethyl-dichlormethyl-sulfon
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Improved one-pot synthesis of second-generation ruthenium olefin metathesis catalysts
화학 물질
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RutheniuM, dichloro[1,3-dihydro-1,3-bis(2,4,6-triMethylphenyl)-2H-iMidazol-2-ylidene](phenylMethylene)(tricyclohexylphosphine)-, (SP-5-41)-
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Chemoselective Reduction of Sterically Demanding N,N-Diisopropylamides to Aldehydes
화학 물질
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2-(bis(trimethylsilyl)methyl)benzaldehyde
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The 5-, 6-, and 10-Fluoro-1,2,3,4-tetrahydro-7,12-dimethylbenzanthracenes. Comparative Acid-Catalyzed Isomerization to Exo Methylene Tautomers: A 6-Fluoro Peri Effect
화학 물질
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(7R,12R)-5-fluoro-7,12-dimethyl-1,2,3,4,7,12-hexahydrotetraphene-7,12-diol
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SUPEROXIDE-MEDIATED DEHYDROHALOGENATION REACTIONS OF THE PYRETHROID PERMETHRIN AND OTHER CHLORINATED PESTICIDES
화학 물질
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2-BROMO-3-CHLORO-1-PROPENE
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Intermolecular cyclopropanation versus CH insertion in Rh(II)-catalyzed carbenoid reactions
화학 물질
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2,6-di-tert-butyl-4-methylphenyl (cyclohexen-3-yl)acetate
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SELENIUM-CONTROLLED STEREOSELECTIVE SYNTHESIS OF 2'-DEOXYNUCLEOSIDES FROM GLYCALS. A FORMAL SYNTHESIS OF AZT
화학 물질
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1-((2R,4R,5R)-4-Benzyloxy-5-benzyloxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidine-2,4-dione
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Factors Influencing Conformational Preferences in Cyclohexenes
화학 물질
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1,2,4-trimethyl-4-(prop-1-en-2-yl)cyclohexene
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Folding types of dipeptides containing the diastereoisomeric cyclopropanic analogues of phenylalanine
화학 물질
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(S)-2-((1R,2R)-1-Methoxycarbonyl-2-phenyl-cyclopropylcarbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester
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Conformational requirements of a stereospecific three- to five-carbon ring expansion reaction
화학 물질
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1-Bromo-5-phenyl-spiro[2.5]oct-4-ene
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Fusion and planarization of a quinoidal porphyrin dimer
화학 물질
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[ZnN4C20H6C(CN)2(C6H3(C(CH3)3)2)2]2
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Practical synthesis of azobenzenophanes
화학 물질
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acetic acid bis-(3-iodo-phenyl)-methyl ester
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Experimental and theoretical investigations into the stability of cyclic aminals
화학 물질
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[2-(Isopropylamino-methyl)-phenyl]-methyl-amine
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SYNTHESIS AND REACTIONS OF ORGANYL CHLOROETHYL SULFIDES WITH PHOSPHORUS-CONTAINING NUCLEOPHILES
화학 물질
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Benzene, [(chloroethynyl)thio]-
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Elimination Reactions of Hydrazonium Salts: Experimental and Theoretical Evidence for a Large Stereoelectronic Effect of Nitrogen
화학 물질
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benzaldehyde N,N-dimethyl-N-(p-bromobenzyl)hydrazonium bromide
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N-sulfonylbenzotriazoles as advantageous reagents for C-sulfonylation
화학 물질
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Benzene, [[1-(ethylsulfonyl)ethyl]sulfonyl]-
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Variations in site of lithiation of N-[2-(4-methoxyphenyl)ethyl]pivalamide - Use in ring substitution
화학 물질
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3-(2,2-Dimethyl-propionylamino)-2-(4-methoxy-phenyl)-propionic acid
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