CRYSTAL AND MOLECULAR STRUCTURES OF TWO DITHIENO-(1,4)-DITHIINS, C₈H₄S₄HIEMSTRA H; KIERS CT.1979; ACTA CRYSTALLOGR., B; DNK; DA. 1979; VOL. 35; NO 5; PP. 1140-1143; BIBL. 17 REF.Article

DETERMINATION OF THE ENANTIOMERIC PURITY OF CHIRAL KETONES USING ¹³C NMR SPECTROSCOPY OF THEIR DIASTEREOMERIC CYCLIC KETALS.HIEMSTRA H; WYNBERG H.1977; TETRAHEDRON LETTERS; G.B.; DA. 1977; NO 25; PP. 2183-2186; BIBL. 12 REF.Article

COMPLETELY REGIOSELECTIVE ALPHA -ACYLIMINIUM ION CYCLISATIONS WITH ALLYL AND PROPARGYL SILANESHIEMSTRA H; SPECKAMP WM.1983; TETRAHEDRON LETTERS; ISSN 0040-4039; GBR; DA. 1983; VOL. 24; NO 13; PP. 1407-1410; BIBL. 16 REF.Article

ION PAIR EFFECTS IN AN INTERCALATION PROCESS. AN APPROACH TO THE BICYCLO (5.3.1) UNDECYL SYSTEM OF TAXANETROST BM; HIEMSTRA H.1982; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1982; VOL. 104; NO 3; PP. 886-887; BIBL. 17 REF.Article

ADDITION OF AROMATIC THIOLS TO CONJUGATED CYCLOALKENOMES, CATALUZED BY CHIRAL BETA -HYDROXYAMINES. A MECHANISTIC STUDY ON HOMOGENEOUS CATALYTIC ASYMMETRIC SYNTHESISHIEMSTRA H; WYNBERG H.1981; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1981; VOL. 103; NO 2; PP. 417-430; BIBL. DISSEM.Article

ASYMMETRIC INDUCTION IN THE BASE-CATALYSED MICHAEL ADDITION OF NITROMETHANE TO CHALCONE.COLONNA S; HIEMSTRA H; WYNBERG H et al.1978; J. CHEM. SOC., CHEM. COMMUNIC.; G.B.; DA. 1978; NO 6; PP. 238-239; BIBL. 6 REF.Article

NON-POLIO ENTEROVIRUS ACTIVITY IN WISCONSIN BASED ON A 20-YEAR EXPERIENCE IN A DIAGNOSTIC VIROLOGY LABORATORYNELSON D; HIEMSTRA H; MINOR T et al.1979; AMER. J. EPIDEMIOL.; USA; DA. 1979; VOL. 109; NO 3; PP. 352-361; BIBL. 14 REF.Article

Intramolecular reactions of N-acyliminium intermediatesSPECKAMP, W. N; HIEMSTRA, H.Tetrahedron (Oxford. Print). 1985, Vol 41, Num 20, pp 4367-4416, issn 0040-4020Article

ALKALOID CATALYZED ASYMMETRIC SYNTHESIS. III. THE ADDITION OF MERCAPTANS TO 2-CYCLOHEXENE-1-ONE; DETERMINATION OF ENANTIOMERIC EXCESS USING ¹³C NMR.HELDER R; ARENDS R; BOLT W et al.1977; TETRAHEDRON LETTERS; G.B.; DA. 1977; NO 25; PP. 2181-2182; BIBL. 7 REF.Article

Oxazinone versus allene formation in the reaction of N-alkoxycarbonyliminium ions with propargyltrimethylsilaneESCH, P. M; HIEMSTRA, H; SPECKAMP, W. N et al.Tetrahedron letters. 1988, Vol 29, Num 3, pp 367-370, issn 0040-4039Article

Stereochemistry of allylic alkylation of the tetracarbonyliron complexes of (R)-1-acetyl-5-isopropoxy-3-pyrrolin-2-oneWIN-JAN KOOT; HIEMSTRA, H; SPECKAMP, W. N et al.Journal of the Chemical Society. Chemical communications. 1993, Num 2, pp 156-158, issn 0022-4936Article

Xanthate transfer addition of a glycine radical equivalent to alkenes. A novel route to α-amino acid derivativesUDDING, J. H; HIEMSTRA, H; NICO SPECKAMP, W et al.Journal of organic chemistry. 1994, Vol 59, Num 13, pp 3721-3725, issn 0022-3263Article

Radical transfer catalysis versus lewis acid catalysis by the copper(I) chloride-2,2'-bipyridine complex : the effect of the strucure of the ligandUDDING, J. H; HIEMSTRA, H; NICO SPECKAMP, W et al.Perkin transactions. 2. 1992, Num 9, pp 1529-1530, issn 0300-9580Article

Total synthesis of (±)-α-allokainic acid via tow allylsilane N-acyliminium ion reactionsMOOIWEER, H. H; HIEMSTRA, H; SPECKAMP, W. N et al.Tetrahedron (Oxford. Print). 1991, Vol 47, Num 20-21, pp 3451-3462, issn 0040-4020, 12 p.Article

Synthesis of the aspidosperma skeleton through allylsilane N-acyliminium cyclizationMITTENDORF, J; HIEMSTRA, H; SPECKAMP, W. N et al.Tetrahedron (Oxford. Print). 1990, Vol 46, Num 11, pp 4049-4062, issn 0040-4020, 14 p.Article

Synthesis and absolute configuration of the Aristotelia alkaloid peduncularineKLAVER, W. J; HIEMSTRA, H; NICO SPECKAMP, W et al.Journal of the American Chemical Society. 1989, Vol 111, Num 7, pp 2588-2595, issn 0002-7863Article

Intermolecular reactions of N-alkoxycarbonylinium ions with propargyltrimethylsilane ; oxazinone versus allene formationESCH, P. M; HIEMSTRA, H; SPECKAMP, W. N et al.Tetrahedron (Oxford. Print). 1992, Vol 48, Num 16, pp 3445-3462, issn 0040-4020Article

Synthesis of γ,δ-unsaturated α-amino acids from allylsilanes and glycidyl cation equivalentsMOOIWEER, H. H; HIEMSTRA, H; NICO SPECKAMP, W et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 14, pp 4627-4636, issn 0040-4020Article

Synthetic studies toward gelsemine. II: Preparation of the tetracyclic skeletal part by way of a highly stereospecific intramolecular reaction of a sily enol ether with an N-acyliminium ionHIEMSTRA, H; VIJN, R. J; SPECKAMP, W. N et al.Journal of organic chemistry. 1988, Vol 53, Num 16, pp 3882-3884, issn 0022-3263Article

Fermentation kinetics of Zymomonas mobilis near zero growth rateJOBSES, I. M; HIEMSTRA, H. C. H; ROELS, J. A et al.Biotechnology and bioengineering. 1987, Vol 29, Num 4, pp 502-512, issn 0006-3592Article

Induction kinetics and cell surface distribution of Escherichia coli lipoprotein under lac promoter controlHIEMSTRA, H; DE HOOP, M. J; INOUYE, M et al.Journal of bacteriology. 1986, Vol 168, Num 1, pp 140-151, issn 0021-9193Article

Models of folate coenzymes. VII: Synthesis and carbon transfer reactions of N⁵,N¹⁰-methenyl and N⁵,N¹⁰-methylenetetrahydrofolate modelsBIERAUGEL, H; PLEMP, R; HIEMSTRA, H. C et al.Tetrahedron (Oxford. Print). 1983, Vol 39, Num 23, pp 3971-3979, issn 0040-4020Article

One bicyclic β-lactam and two bicyclic γ-lactam compoundsDE RIDDER, D. J. A; GOUBITZ, K; REISS, C. A et al.Acta crystallographica. Section C, Crystal structure communications. 1996, Vol 52, pp 1473-1479, issn 0108-2701, 6Article

Distribution of newly synthesized lipoprotein over the outer membrane and the peptidoglycan sacculus of an Escherichia coli lac-lpp strainHIEMSTRA, H; NANNINGA, N; WOLDRINGH, C. L et al.Journal of bacteriology. 1987, Vol 169, Num 12, pp 5434-5444, issn 0021-9193Article

Hochenantioselektive Synthese eines 2,3-Dihydroindols mit Hilfe von N-Methylephedrin = Synthèse hautement énantiosélective d'un dihydro-2,3 indole à l'aide de N-méthyléphédrine = Highly enantioselective synthesis of a 2,3-dihydroindole mediated by N-methylephedrineJAN VIJN, R; SPECKAMP, W. N; DE JONG, B. S et al.Angewandte Chemie. 1984, Vol 96, Num 2, pp 165-166, issn 0044-8249Article