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Crystal and molecular structure of diaqua-bis-(3,5-dimethyl-1-guanyl pyrazole) nickel (II) nitrate, [Ni(C6N4H10)2(H2O)2](N03)2
The title compound crystallizes in space groupP21/n witha=10.651(3),b=11.082(2),c=8.993(3) Å,β=106.79(3)°;R=0.064 andRw=0.074 for 3399 observed reflections (I≥3σ(I)) from 3674 measured. The structureExpand
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Solid state conformations and antidopaminergic effects of remoxipride hydrochloride and a closely related salicylamide, FLA 797, in relation to dopamine receptor models.
The X-ray structures of two new 2,6-disubstituted benzamides, i.e., remoxipride hydrochloride monohydrate [-)-(S)-3-bromo-N-[(1-ethyl-2-pyrrolidinyl)methyl]-2,6-dimethoxybenza mide hydrochlorideExpand
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Synthesis of the marine alkaloid caulersin
A three-step synthesis of caulersin (3) from indole-2-acetic acid methyl ester and indole-2-carbonyl chloride is described. As the spectral data of the synthetic sample differed from those reportedExpand
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Synthesis of Benzotriazine and Aryltriazene Derivatives Starting from 2‐Azidobenzonitrile Derivatives
3-Substituted 3,4-dihydro-4-imino-1,2,3-benzotriazine derivatives 7 were formed from 2-azidobenzonitriles 4 as starting materials on treatment with Grignard or lithium organic reagents. In some casesExpand
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New Routes to 3-(Arylthio)indoles: Application to the Synthesis of the 3,3′-Bis(indolyl) Sulfone Core of the Marine Alkaloid Echinosulfone A
A new approach to 3-(arylthio)indoles and related compounds has been developed, based on the reactions of aryl Grignard reagents or lithiated heteroaroinatics with a phenylsulfonyl-protected 3,3'-bExpand
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Synthesis of 2,3 '-diindolylmethanes and substituted indolo[3,2-b]carbazoles
Three different synthetic routes to substituted 2,3'-diindolylmethanes, and the syntheses of substituted indolo[3,2-b]carbazoles are described. The first rigid proof of an acylation in the 2-positionExpand
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Thionation of bisindole derivatives with P4S10 or elemental sulfur
Thionation reactions of several bisindole derivatives using elemental sulfur or P4S10 in pyridine have been studied, leading to formation of several novel structures. The reaction of indigo or isatinExpand
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Increased Chemical Purity Using a Hydrate
Crystallization is usually a highly selective process, and this selectivity is exploited in the pharmaceutical and other industries as a method of chemical purification. Relatively little is knownExpand
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Cyclization of Cyanoethylated Ketones as a Route to 6‐Substituted Indole Derivatives
δ-Cyanoketones are quickly cyclized with KOtBu to 3-aminocyclohex-2-enone derivatives, which in turn will give substituted indoles when treated with oxalyl chloride. Thus,Expand
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