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Asymmetric Cyclopropanations by Rhodium(II) <i>N</i>-(Arylsulfonyl)prolinate Catalyzed Decomposition of Vinyldiazomethanes in the Presence of Alkenes. Practical Enantioselective Synthesis of the Four Stereoisomers of 2-Phenylcyclopropan-1-amino Acid
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Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
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The 95 checked references that resolve
resolves10.1016/0006-291X(78)91229-9
D-Ala2, ΔzPhe4-methionine enkephalin amide, a dehydropeptide hormone
resolves10.1021/jm00378a023
Peptide sweeteners. 6. Structural studies on the C-terminal amino acid of L-aspartyl dipeptide sweeteners
resolves10.1111/j.1399-3011.1988.tb01379.x
Synthesis, taste properties, and conformational analysis of four stereoisomeric cyclopropane analogs of aspartame
resolves10.1021/jo00030a009
Synthesis and taste properties of L-aspartyl-methylated 1-aminocyclopropanecarboxylic acid methyl esters
resolves10.1016/0006-291X(83)90976-2
The synthesis, bioactivity and enzyme stability of D-Ala 2 , ∇ E Phe 4 ,Leu 5 -enkephalins
resolves10.1111/j.1399-3011.1986.tb03265.x
Synthesis of four diastereomeric enkephalins incorporating cyclopropyl phenylalanine
resolves10.1016/0196-9781(93)90009-6
Enhanced antiopiate activity in peptidomimetics of FMRFamide containing Z-2,3-methanomethionine
resolves10.1016/0006-291X(84)90771-X
Importance of the stereo-orientation of aromatic groups in enkephalins to opiate receptor recognition
resolves10.1016/0014-5793(87)80193-X
▽<i><sup>E</sup></i>Phe<sup>4</sup>‐enkephalin analogs Delta receptors in rat brain are different from those in mouse vas deferens
resolves10.1016/0196-9781(93)90105-P
Enhanced antiopiate activity and enzyme resistance in peptidomimetics of FMRFamide containing
resolves10.1016/S0960-894X(01)81250-6
Diastereoselective synthesis of cyclopropyl phenylalanines and their incorporation into dipeptides
resolves10.1007/BFb0111229
Donor-acceptor-substituted cyclopropanes: Versatile building blocks in organic synthesis
resolves10.1002/cber.19911240441
Zur Bildung von Vinylcyclopropan‐ und Cyclopentenderivaten aus alkenylsubstituierten Chromcarben‐Komplexen: Konkurrenz von formalen [2 + 1]‐ und [3 + 2]‐Cycloadditionen
resolves10.1016/S0957-4166(00)82352-6
Asymmetric synthesis of cis and trans 2-methyl and 2-ethyl 1-amino cyclopropanecarboxylic acids
resolves10.1021/jo00097a040
Synthesis of (1R,3R,5S)-1-Amino-3-(hydroxymethyl)bicyclo[3.1.0]hexane as a Precursor for the Synthesis of Carbocyclic Nucleosides
resolves10.1016/0040-4039(88)85150-5
Asymmetric synthesis XVI. Enantiomerically pure substituted cyclopropane amino acid precursors via the cn(R,S) method
resolves10.1021/jo00296a046
Asymmetric synthesis by the CN(R,S) method. Part XIX. Asymmetric synthesis of 2,3-methanohomoserine: a general approach to chiral 2-substituted cyclopropane amino acids
resolves10.1021/ja00156a009
Stereoselective Synthesis of All Four Isomers of Coronamic Acid: A General Approach to 3-Methanoamino Acids
resolves10.1016/S0040-4039(00)73511-8
Synthesis of enantiomerically pure cyclopropyl carbocyclic nucleosides
resolves10.1016/S0040-4039(00)75853-9
1,3-Dipolar cycloaddition of diazomethane with a chiral azlactone
resolves10.1016/S0040-4039(00)73864-0
Synthesis of (R)- and (S)-2,3-methanovaline from (2S)-N-benzoyl-2-tert-butyl-4-methylene-1,3-oxazolidin-5-one
resolves10.1021/jo00066a033
Synthesis of a valuable cyclopropyl chiron for preparations of 2,3-methanoamino acids
resolves10.1016/0040-4039(95)00382-M
Practical asymmetric syntheses of all four 2,3-methanoleucine stereoisomers
resolves10.1021/ja00023a030
Asymmetric syntheses of 1-aminocyclopropane-1-carboxylic acid derivatives.
resolves10.1021/jo00076a077
Asymmetric synthesis of (1S,2R)-(+)-2-phenyl-1-aminocyclopropane-1-carboxylic acid
resolves10.1016/S0040-4039(00)99413-9
Synthesis of asymmetric 1-amino-2-phenylcyclopropanecarboxylic acids by diastereoselective cyclopropanation of highly functionalized homochiral olefines
resolves10.1021/jo00162a035
Resolution and deblocking of racemic N-(benzyloxycarbonyl)-"cyclopropylphenylalanine"
resolves10.1016/S0040-4039(01)89263-7
Asymmetric induction in carbenoid reaction by means of a dissymmetric copper chelate
resolves10.1016/S0040-4039(00)86922-1
Asymmetric synthesis of permethric acid. stereochemistry of chiral copper carbenoid reaction
resolves10.1002/hlca.19880710621
Semicorrin metal complexes as enantioselective catalysts. Part 2. Enantioselective cyclopropane formation from olefins with diazo compounds catalyzed by chiral (semicorrinato)copper complexes
resolves10.1016/S0040-4039(00)98014-6
Asymmetric catalytic cyclopropanation of olefins: bis-oxazoline copper complexes
resolves10.1021/ja00002a080
Bis(oxazolines) as chiral ligands in metal-catalyzed asymmetric reactions. Catalytic, asymmetric cyclopropanation of olefins
resolves10.1016/S0040-4020(01)88880-3
5-aza-semicorrins: A new class of bidentate nitrogen ligands for enantioselective catalysis
resolves10.1016/S0040-4039(00)77650-7
Catalytic asymmetric cyclopropanation using copper complex of optically active bipyridine as a catalyst
resolves10.1016/0040-4039(95)01924-7
The first enantioselective synthesis of the chemotactic factor sirenin by an intramolecular [2 + 1] cyclization using a new chiral catalyst
resolves10.1016/S0040-4039(00)97128-4
Chiral rhodium(II) carboxamides. A new class of catalysts for enantioselective cyclopropanation reactions
resolves10.1021/ja00004a059
High enantioselectivity in the intramolecular cyclopropanation of allyl diazoacetates using a novel rhodium(II) catalyst
resolves10.1021/ja00033a081
High enantioselectivity for intermolecular cyclopropenation of alkynes by diazo esters catalyzed by chiral dirhodium(II) carboxamides
resolves10.1021/ja00075a013
Dirhodium(II) tetrakis(carboxamidates) with chiral ligands. Structure and selectivity in catalytic metal-carbene transformations
resolves10.1016/S0040-4020(01)90212-1
Cyclopropanes as conformationally restricted peptide isosteres. Design and synthesis of novel collagenase inhibitors
resolves10.1021/ja00089a055
Enantio- and Diastereoselectivity in the Intramolecular Cyclopropanation of Secondary Allylic Diazoacetates
resolves10.1055/s-1993-22385
Diastereoselectivity Enhancement in Cyclopropanation and Cyclopropenation Reactions of Chiral Diazoacetate Esters Catalyzed by Chiral Dirhodium(II) Carboxamides
resolves10.1021/ja00126a016
Enantioselective Intramolecular Cyclopropanations of Allylic and Homoallylic Diazoacetates and Diazoacetamides Using Chiral Dirhodium(II) Carboxamide Catalysts
resolves10.1039/C39900000361
Asymmetric synthesis in carbon–carbon bond forming reactions of α-diazoketones catalysed by homochiral rhodium(
<scp>II</scp>
) carboxylates
resolves10.1002/bscb.19890980107
Enantioselective Catalysis, 47<sup>1</sup>Rhodium(II)‐Carboxylate Complexes and Their Use In the Enantioselective Cyclopropanation
resolves10.1021/ja00084a104
New Chiral Ruthenium Bis(oxazolinyl)pyridine Catalyst. Efficient Asymmetric Cyclopropanation of Olefins with Diazoacetates
resolves10.1246/bcsj.68.1247
Chiral Ruthenium(II)–Bis(2-oxazolin-2-yl)pyridine Complexes. Asymmetric Catalytic Cyclopropanation of Olefins and Diazoacetates
resolves10.1016/S0040-4039(00)79298-7
Enantioselective synthesis of vinylcyclopropanes by rhodium(II) catalyzed decomposition of vinyldiazomethanes in the presence of alkenes
resolves10.1021/ja00161a040
Exceptionally high trans (anti) stereoselectivity in catalytic cyclopropanation reactions
resolves10.1016/S0040-4020(01)88298-3
Application of Intramolecular Carbenoid Reactions in Organic Synthesis
resolves10.1016/S0040-4020(01)82371-1
Tandem cyclopropanation/cope rearrangement: a general method for the construction of seven-membered rings
resolves10.1021/ja00074a012
.alpha.-Hydroxy esters as chiral auxiliaries in asymmetric cyclopropanations by rhodium(II)-stabilized vinylcarbenoids
resolves10.1039/C39920000823
Asymmetric synthesis of substituted chromanones via C–H insertion reactions of α-diazoketones catalysed by homochiral rhodium(
<scp>II</scp>
) carboxylates
resolves10.1016/S0040-4039(00)97834-1
Enantioselecitve intramolecular CH insertion of α-diazo [β-keto esters catalyzed by homochiral rhodium(II) carboxylates
resolves10.1016/S0040-4039(00)60689-5
Enhancement of enantioselectivity in intramolecular C-H insertion reactions of α-diazo β-keto esters catalyzed by chiral dirhodium(II) carboxylates
resolves10.1016/S0040-4039(00)61107-3
Asymmetric dipolar cycloaddition reactions of diazocompounds mediated by a binaphtholphosphate rhodium catalyst
resolves10.1080/00397918708063988
Diazotransfer Reactions with<i>p</i>-Acetamidobenzenesulfonyl Azide
resolves10.1055/s-1981-29593
Efficient Alternative Catalysts and Methods for the Synthesis of Cyclopropanes from Olefins and Diazo Compounds
resolves10.1021/jo00012a011
Stereoselective synthesis of seven-membered carbocycles by a tandem cyclopropanation/Cope rearrangement between rhodium(II)-stabilized vinylcarbenoids and dienes
resolves10.1021/jo00037a041
Highly stereoselective [3 + 2] annulations by cyclopropanation of vinyl ethers with rhodium(II)-stabilized vinylcarbenoids followed by a formally forbidden 1,3-sigmatropic rearrangement
resolves10.1016/0040-4039(94)88394-7
Asymmetric synthesis of 1,4-cycloheptadienes and bicyclo[3.2.1]octa-2,6-dienes by rhodium(II) N-(p-(tert-butyl)phenylsulfonyl)prolinate catalyzed reactions between vinyldiazomethanes and dienes
resolves10.1016/S0040-4039(00)73503-9
A catalytic enantioselective synthetic route to the important antidepressant sertraline
resolves10.1021/jo00332a045
A greatly improved procedure for ruthenium tetroxide catalyzed oxidations of organic compounds
resolves10.1021/jo00405a045
General procedure for the synthesis of mono-N-acylated 1,6-diaminohexanes
resolves10.1021/jo00105a045
Straightforward Synthesis of 1-Amino-2,2-dialkylcyclopropanecarboxylic Acids via Selective Saponification of 2,2-Dialkylcyclopropane-1,1-dicarboxylic Esters and Curtius Rearrangement
resolves10.1002/recl.19911100702
Chiral catalysts for enantioselective carbenoid cyclopropanation reactions
resolves10.1107/S0567740871004527
The crystal and molecular structures of dichromium tetraacetate dihydrate and dirhodium tetraacetate dihydrate
resolves10.1021/jo00274a027
Catalytic cyclopropanation of alkenes with ethyl nitrodiazoacetate. A facile synthesis of ethyl 1-nitrocyclopropanecarboxylates
resolves10.1021/ja00047a081
A transition-state model for the rhodium porphyrin-catalyzed cyclopropanation of alkenes by diazo esters
resolves10.1021/jo00140a030
Studies on the origin of dihydrofurans from .alpha.-diazocarbonyl compounds. Concerted 1,3-dipolar cycloaddition vs. nonsynchronous coupling in the copper chelate catalyzed reactions of .alpha.-diazodicarbonyl compounds with electron-rich olefins
resolves10.1021/jo00166a022
A dihydro-.alpha.-furoic ester synthesis by the catalyzed reactions of ethyl diazopyruvate with enol ethers
resolves10.1021/jo00207a016
Participation of charged species in the thermocatalytic addition of diazo carbonyl compounds to electron-rich olefins. Addition-rearrangement of dimethyl diazomalonate to 2-methoxy-3,4-dihydro-2H-pyrans
resolves10.1021/ja00345a059
Short syntheses of furan and catechol derivatives. A synthesis of hydrourushiol
resolves10.1021/ja00471a022
Strength and trans influence of the rhodium-rhodium bond in rhodium(II) carboxylate dimers
resolves10.1021/ja00099a017
Electronic Effects in Dirhodium(II) Carboxylates. Linear Free Energy Relationships in Catalyzed Decompositions of Diazo Compounds and CO and Isonitrile Complexation
resolves10.1016/S0040-4039(00)97047-3
Anomalous reactivity of mono substituted rhodium stabilized vinylcarbenoids
resolves10.1021/jo00019a044
Synthesis of (.+-.)-ferruginine and (.+-.)-anhydroecgonine methyl-ester by a tandem cyclopropanation/Cope rearrangement
resolves10.1021/jo00031a007
Control of chemoselectivity in the rhodium(II)-catalyzed alkyne insertion reaction of .alpha.-diazo ketones
resolves10.1021/jo00217a033
Nucleophilic attacks on carbon-carbon double bonds. 31. Complete and partial stereoconversion in vinylic substitution of (E)- and (Z)-.beta.-chloro-.alpha.-phenylcinnamaldehydes and (E)-2-iodo-1,2-diphenyl-1-nitroethylene by nucleophiles
The 9 references without a DOI — listed, not checked
no DOI — not checked(c) Shimohigashi, Y.; Stammer, C. H.; Costa, T.Synthetic Peptides in Biotechnology; A. R. Liss, Inc. New York, 1988; p 203.
no DOI — not checkedACS Symp. Ser.
no DOI — not checked(b) Reissig, H.U. InThe Chemistryof the Cyclopropyl Group; Rappoport, Z., Ed.; Wiley: New York, 1987; Part 1, p 375.
no DOI — not checkedja9604931b00005/ja9604931b00005_1
no DOI — not checkedja9604931b00005/ja9604931b00005_4
no DOI — not checkedComprehensive Organic Synthesis
no DOI — not checkedja9604931b00020/ja9604931b00020_1
no DOI — not checkedCatalytic Asymmetric Synthesis
no DOI — not checked(a) Cotton, F. A.; Walton, R. A.Multiple Bonds Between Metal Atoms; Clarendon Press: Oxford, 1993; p 672.
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