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Spezielle Reaktionen von α,β-unges?ttigten Ketonen, 1. Mitt.: über die Dimerisierung von 2-Benzyliden-1-indanon in Gegenwart starker Basen

A possible mechanism for the formation of the spirocompound 7 is proposed; the stereo formula of the dimer7 K was established on the basis of a 400 MHz-HH-NOESY experiment.

出版机构:Springer Vienna

刊物名称:Monatshefte fuer Chemie/Chemical Monthly

出版时间:1988

ISSN:0026-9247

数据源:报刊文摘

Zur Stereoisomerie der 2,6-Dichlor-4-methoxyheptane

Abstract2,6-Dichloro-4-methoxy-heptanes may exist as 2 optical active isomers and 2 meso compounds. By double addition of ,-dichloro-dimethylether to propene a mixture of these stereoisomers was obtained. They were separated by HPLC.

出版机构:Springer Vienna

刊物名称:Monatshefte fuer Chemie/Chemical Monthly

出版时间:1988

ISSN:0026-9247

数据源:报刊文摘

Forces in molecular recognition: Comparison of experimental data and molecular mechanics calculations

SummaryNMR studies of the rotation barrier of the disaccharide of the glycopeptide antibiotic vancomycin have been used to test the performance of computer simulation techniques using molecular mechanics.

出版机构:Springer Netherlands

刊物名称:Journal of Computer-Aided Molecular Design

出版时间:1988

ISSN:0920-654X

数据源:报刊文摘

Theβ-subunit of human chorionic gonadotropin containsN-glycosidic trisialo tri- and tri′-antennary carbohydrate chains

AbstractTheN-linked carbohydrate chains of the-subunit of highly purified urinary human chorionic gonadotropin have been re-investigated. The oligosaccharides were released enzymatically by peptide-N4-(N-acetyl--glucosaminyl)asparagine amidase-F, and fractionated by a combination of FPLC and HPLC.

出版机构:Springer US

刊物名称:Glycoconjugate Journal

出版时间:1988

ISSN:0282-0080

数据源:报刊文摘

N-acetylglucosaminyltransferase substrates prepared from glycoproteins by hydrazinolysis of the asparagine-N-acetylglucosamine linkage. Purification and structural determination of oligosaccharides w

The oligosaccharides hadN-acetylglucosamine at the reducing termini and mannose andN-acetylglucosamine residues at the non-reducing termini and were prepared for use asN-acetylglucosaminyltransferase substrates.

出版机构:Springer US

刊物名称:Glycoconjugate Journal

出版时间:1988

ISSN:0282-0080

数据源:报刊文摘

Structure of a new nonasaccharide isolated from human milk: VI2Fuc,V4Fuc,III3Fuc-p-lacto-N-hexaose

AbstractThe structure of a new nonasaccharide isolated from human milk has been investigated.

出版机构:Springer US

刊物名称:Glycoconjugate Journal

出版时间:1988

ISSN:0282-0080

数据源:报刊文摘

Refined procedures for accurate determination of solution structures of nucleic acids by two dimensional nuclear magnetic resonance spectroscopy

The significant development in two dimensional nuclear magnetic resonance techniques for this purpose areω 1 -scaling and recording of pure phase spectra.

出版机构:Indian Academy of Sciences

刊物名称:Journal of Biosciences

出版时间:1988

ISSN:0250-5991

数据源:报刊文摘

Synthese und Eigenschaften einigerp-tolyl-phenylsubstituierter Di- und Trisilane und von 1,1,1,3,3,3-Hexaphenyltrisilan

AbstractThe synthesis and properties of [Ph2p-TolSi]2, [Ph2p-TolSi]2SiPh2, [Ph3Si]2Si(p-Tol)2, [Ph2p-TolSi]2Si(p-Tol)2 and (SiPh3)2SiH2 are described. The silanes are identified using IR,Ra- and29Si-NMR-spectroscopy.

出版机构:Springer Vienna

刊物名称:Monatshefte fuer Chemie/Chemical Monthly

出版时间:1988

ISSN:0026-9247

数据源:报刊文摘

Correlation between NMR scans of extraocular muscles and clinical symptoms in Graves' ophthalmopathy

AbstractIn an NMR study of the orbits of patients with Graves'' ophthalmopathy a high degree of correlation was found between the severity of the clinical picture and the relative increase in muscular volume in the retrobulbar space.

出版机构:Springer Verlag

刊物名称:Documenta Ophthalmologica

出版时间:1988

ISSN:0012-4486

数据源:报刊文摘

Synthesis of 12-methoxyabietic acid methylester, a feeding deterrent of the larch sawflyPristiphora erichsonii (Hartig)

AbstractThe diastereomeric methylesters of 12-methoxyabietic acid, an antifeedant for the larch sawflyPristiphora erichsonii (Hartig) have been synthesised from abietic acid methylester (2).

出版机构:Springer Vienna

刊物名称:Monatshefte fuer Chemie/Chemical Monthly

出版时间:1988

ISSN:0026-9247

数据源:报刊文摘