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Showing papers on "Derivative (chemistry) published in 1969"




Journal ArticleDOI
TL;DR: Acetylation of brain sulfatide followed by trimethylsilylation at elevated temperature produces a fully acetylated derivative with the sulfate group replaced by a trim methylsilyl substituent.

44 citations


Journal ArticleDOI
TL;DR: Findings indicate that Factor X is not a derivative of prothrombin (nor vice versa), and peptide maps made from tryptic digests shows only about one third of the peptides to be common to the two molecules.

37 citations



Journal ArticleDOI
TL;DR: Altersolanol A (1) forms a monoisopropylidene derivative which in turn yields a triacetate and a dimethylether monoacetate as mentioned in this paper.
Abstract: Altersolanol A (1) forms a monoisopropylidene derivative which in turn yields a triacetate and a dimethylether monoacetate. Both of the latter compounds can be aromatized but the products indicate ...

33 citations




Journal ArticleDOI
TL;DR: Kuhn methylation of 2,3:5,6-di-O-isopropylidene-d -mannofuranose as mentioned in this paper affords a mixture of methyl α-d-mannofuranoside and methyl β-d-, d-mannoside, in the ratio 99:1.

29 citations


Patent
28 Oct 1969
TL;DR: TRIALKYPHOSPHENIEGOLD COMPLEXES of 1-B-D-GLUCOPYRANOSIDES HAVING ANTI-ARTHRITIC ACTIVITY are PREPARED by reaction of an APPROPRIATE GLUCOPyranoside DERIVATIVE with a TRIALKYLPHOSphinEGOLD HALIDE as mentioned in this paper.
Abstract: TRIALKYPHOSPHENIEGOLD COMPLEXES OF 1-B-D-GLUCOPYRANOSIDES HAVING ANTI-ARTHRITIC ACTIVITY ARE PREPARED BY REACTION OF AN APPROPRIATE GLUCOPYRANOSIDE DERIVATIVE WITH A TRIALKYLPHOSPHINEGOLD HALIDE.

27 citations


Patent
02 Oct 1969
TL;DR: In this paper, a 2-propanol derivative with carbonate was used to make a 2.5-AMINOMETHYL-2-oxazolidinones of the general formulae.
Abstract: 5-AMINOMETHYL-2-OXAZOLIDINONES OF THE GENERAL FORMULA: IN WHICH: REPRESENTS EITHER A DIALKYLAMINO RADICAL IN WHICH THE ALKYL PORTIONS HAVE ONE TO FIVE CARBON ATOMS, OR A HETEROCYCLIC AMINO RADICAL WHICH MAY BE SUBSTITUTED BY AN ALKYL RADICAL HAVING ONE TO FIVE CARBON ATOMS OR BY A PYRROLIDINOCARBONYLMETHYL RADICAL, AND R3 represents a phenyl radical which may be substituted by one or more of the following radicals: AN ALKOXY RADICAL HAVING ONE TO FIVE CARBON ATOMS; A HALOGEN ATOM; A TRIFLUOROMETHYL RADICAL, OR A CARBOXYL RADICAL WHICH MAY BE ESTERIFIED. The compound is made by reacting the corresponding 2-propanol derivative with ethyl carbonate. The compound possesses hypotensive, vasodilatatory, spasmolytic, sedative, myorelaxant, analgesic and anti-inflammatory properties.

Journal ArticleDOI
TL;DR: In this paper, a disaccharide was synthesized by condensation of 2,3,4-tri-O-acetyl-α-L-fucopyranosyl bromide with benzyl 2-acetamido-3, 4-di O-acetel-2-deoxy-β-D-glucopyruside, followed by removal of the protecting acetyl and benzyl groups.



Patent
10 Dec 1969
TL;DR: In this paper, the authors show that 11.5% of the respondents reported having an 11-OXO group in contrast to the 11.3% HYDRO-3-OXO-AND-ROSTADIENE group.
Abstract: ESTER OF $1,4-16X-METHYL - 6X,9X -DIFLUORO -11B, 17XDIHYDROXY-3-OXO-ANDROSTADIENE-17-CARBOXYLIC ACID, ITS DEHYDRO DERIVATIVE AND THE CORRESPONDING COMPOUNDS HAVING AN 11-OXO GROUP INSTEAD OF THE 11B-HYDROXY GROUP HAVING GOOD ANTI-INFLAMMATORY AND THYMOLYTIC ACTIVITY.

Journal ArticleDOI
TL;DR: The structure of a new anti-viral antibiotic, julimycin B-II, has been established as a derivative of β,β'-bianthraquinonyl by spectroscopic and degrative experiments.



Patent
21 Apr 1969
TL;DR: In this article, the authors discuss the preparation of S-3-X-4-(3-SUBSTITUTED AMINO-2-HYDROXYPROPOXY)-1,2,5-THIADIAZOLE BETA ADRENERGIC BLOCKING AGENTS USING As Starting Material An OPTICALLY ACTIVE ALKAMINE in the SINISTER CONFIGURATION, OR A DERIVATIVE OR SAID ALkAMINE, WHICH is REACTED with an 3-X
Abstract: PREPARATION OF S-3-X-4-(3-SUBSTITUTED AMINO-2-HYDROXYPROPOXY)-1,2,5-THIADIAZOLE BETA ADRENERGIC BLOCKING AGENTS USING AS STARTING MATERIAL AN OPTICALLY ACTIVE ALKAMINE IN THE SINISTER CONFIGURATION, OR A DERIVATIVE OR SAID ALKAMINE, WHICH IS REACTED WITH AN 3-X-4-CHLORO (OR RO- WHERE R IS HYDROGEN OR AN ALKALI METAL)-1,2,5THIADIAZOLE. NOVEL 3-MORPHOLINO-4-CHLORO (OR RO-)-1,2,5THIADIAZOLES AND NOVEL ALKAMINES AND THEIR PREPARATION ALSO ARE DESCRIBED.

Journal ArticleDOI
TL;DR: The configuration of C9 -OH of I has been assigned as β by the comparison of the spectroscopic properties of I and its C 9 -epimer.

Patent
05 Sep 1969
TL;DR: In this article, a molybdenum alkylene-dioxy-derivative was adapted to catalyze the oxidation of certain compounds containing ethylenic unsaturations.
Abstract: A molybdenum alkylene-dioxy-derivative, adapted to catalyze the oxidation of certain compounds containing ethylenic unsaturations, is prepared by reacting an organic molybdenum compound in which oxygen atoms are directly attached to the molybdenum atom with an organic derivative having vicinal hydroxyl groups.


Journal ArticleDOI
TL;DR: In this paper, the synthesis of Crystalline α(1,4)-Anhydro-β-D-glucose has been studied, where α-1-chloro derivative 2.3.6-Tri-O-benzyl-Dglucosan is treated with alkali.

Patent
18 Aug 1969
TL;DR: In this article, the authors describe a group of ORGANIC SEMICONDUCTORS having a ELECTRON DONATING CATION, which is a group VIA ELEMENT DERIVATIVE OF a POLYCYCLIC AROMATIC HYDROCARBON and an INORGANIC OR ORGANic ELECTRON-ACCEPTING ANION.
Abstract: ORGANIC SEMICONDUCTORS ARE DESCRIBED HAVING A ELECTRON DONATING CATION WHICH IS A GROUP VIA ELEMENT DERIVATIVE OF A POLYCYCLIC AROMATIC HYDROCARBON AND AN INORGANIC OR ORGANIC ELECTRON-ACCEPTING ANION. THESE MATERIALS ARE GENERALLY SOLUBLE IN ORDINARY SOLVENTS AND HAVE RESISTIVITIES BETWEEN 10**-2 AND 10**9 OHM-CM. THEY ARE USEFUL IN CONDUCTING COATINGS, FIBERS, ETC.

Journal ArticleDOI
TL;DR: Mossbauer spectroscopy has failed to detect the nonequivalent iron atoms in the novel compound [(π-C5H5)2Fe2(CO)3]2·Ph2PCCPPh2 which has been characterised by i.m.
Abstract: Mossbauer spectroscopy has failed to detect the nonequivalent iron atoms in the novel compound [(π-C5H5)2Fe2(CO)3]2·Ph2PCCPPh2 which has been characterised by i.r., n.m.r., and X-ray studies.

Patent
27 Oct 1969
TL;DR: In this article, the authors report that the polysters of the FILAMENT AXIS contain 0.4-5% by weight of a POLYALKYLENE ETHER and 0.3-3% by the METAL SALT DERIVATIVE.
Abstract: POLYESTER FILAMENTS CONTAINING THEREIN 0.4-5% BY WEIGHT OF A POLYALKYLENE ETHER AND 0.3-3% BY WEIGHT OF A METAL SALT DERIVATIVE, AND HAVING FINE PORES ALIGNED IN THE DIRECTION OF THE FILAMENT AXIS.

Journal ArticleDOI
TL;DR: The results show that the technically simpler and much more rapid protein binding displacement method gives results virtually identical to those obtained with the double isotope derivative method.

Journal ArticleDOI
TL;DR: In this article, the preparation of remarkably stable cyclopropyl carbonyl complexes of manganese, rhenium, iron, and iridium was described, and the reaction between PPh 3 and the manganous complex resulted in concomitant decarbonylation and ring-opening to give a π-allyl derivative.

Journal ArticleDOI
TL;DR: Two new compounds, 2,4-diamino-6-methylpteridine and the 5,7-dimethyl isomer, a useful model compound for studying chemical and enzymatic reactions of 5-methyl tetrahydrofolate, have been obtained in good yield as the hydrochloride.

Journal ArticleDOI
Thomas L Westman1
TL;DR: This derivative exhibits a shift in the pH optimum toward ca .