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نویسنده: akhlaghinia
موضوع : شیمى
اعتبار علمی: ISI
زبان مقاله: انگلیسی


موارد یافت شده: 41

1 - A rapid metal free synthesis of 5-substituted-1Htetrazoles using cuttlebone as a natural high effective and low cost heterogeneous catalyst (چکیده)
2 - Cu(II) immobilized on aminated epichlorohydrin activated silica (CAES): as a new, green and efficient nanocatalyst for preparation of 5-substituted-1Htetrazoles† (چکیده)
3 - Fe(HSO4)3: An efficient, heterogeneous and reusable catalyst for C-alkylation of β-dicar bonyl compounds (چکیده)
4 - Facile and direct synthesis of symmetrical acid anhydrides using a newly prepared powerful and efficient mixed reagent (چکیده)
5 - An Efficient Method for Chemoselective Reduction of Nitro Compounds Using Bimetallic Fe-Ni NPs/H3PW12O4o.xH2O System (چکیده)
6 - Trichloroisocyanuric Acid/Triphenylphosphine-Mediated Synthesis of Benzimidazoles, Benzoxazoles, and Benzothiazoles (چکیده)
7 - Direct, Rapid and Convenient Synthesis of Esters and Thioesters Using PPh3/N-Chlorobenzotriazole System (چکیده)
8 - Direct synthesis of sulfonyl azides from sulfonic acids (چکیده)
9 - Green and Selective Synthesis of N-Substituted Amides using Water Soluble Porphyrazinato Copper(II) Catalyst (چکیده)
10 - Direct and facile synthesis of acyl azides from carboxylic acids using the trichloroisocyanuric acid–triphenylphosphine system (چکیده)
11 - A novel approach for the synthesis of 5-substituted-1H-tetrazoles (چکیده)
12 - Green synthesis of thiiranes from oxiranes under solvent- and catalystfree conditions (چکیده)
13 - Ceria nanoparticles as an efficient catalyst for oxidation of benzylic C H bonds (چکیده)
14 - Dithioacetalization of carbonyl compounds under catalyst-free condition (چکیده)
15 - Efficient and Novel Method for Thiocyanation of Aromatic Compounds Using Trichloroisocyanuric Acid/ Ammonium Thiocyanate/Wet SiO2 (چکیده)
16 - New heat stable polyethers, polyketones and polysulfones (چکیده)
17 - Bromodimethylsulfonium bromide/tetrabutylammonium nitrite: an efficient catalyst mixture for the nitration of phenols (چکیده)
18 - A Mild and Simple Iodination of Phenos with Trichloroisocyanuric Acid/ I2 /Wet SiO2 Systems (چکیده)
19 - N,N’,N’’,N’’’-tetramethyltetra-2,3-pyridinoporphyrazinato copper(II) methyl sulfate as a new and efficient catalyst for the dithioacetalization and the oxathioacetalization of carbonyl compounds (چکیده)
20 - Mild and Efficient Iodination of Aromatic Compoundswith Trichloroisocyanuric Acid/I2/Wet SiO2 System (چکیده)
21 - Triphenylphosphine/2,3-Dichloro-5,6-dicyanobenzoquinone (DDQ)/[nBu4N]OCN as a Useful System for the Efficient Conversion of Tetrahydropyranyl (THP) Ethers to the Corresponding Alkyl Isocyanates- (چکیده)
22 - Novel and Highly Efficient Protection of Aliphatic Alcohols and Phenols withHexamethyldisilazane in the Presence of La(NO3)3·6 H2O (چکیده)
23 - Synthesis and Cross-linking ofPoly(ether-ketone)s, andPoly(ether-ketone-sulphone)s with PendantNitrile Groups (II (چکیده)
24 - Synthesis and Study of Thermal Properties of New Heat StablePoly(ether-ketone)s and Poly(ether-ketone-sulphone)s (چکیده)
25 - EFFICIENT CONVERSION OF TETRAHYDROPYRANYL (THP) ETHERSTO THEIR CORRESPONDING CYANIDES WITH TRIPHENYLPHOSPHINE/2,3-DICHLORO5,6-DICYANOBENZOQUINONE/n-Bu4 NCN- (چکیده)
26 - HEXAMETHYLDISILAZANE IN THE PRESENCE OF N,N ,N ,N-TETRAMETHYLTETRA-2,3-PYRIDINOPORPHYRAZINATO COPPER (II) IS ANEW, MILD AND HIGHLY EFFICIENT REAGENT FOR SILYLATION OF ALCOHOLS AND PHENOLS (چکیده)
27 - Triphenylphosphine/2,3-Dichloro-5,6dicyanobenzoquinone in the Presence of n-Bu4NN3 Is a Useful System for Efficient Conversion of Tetrahydropyranyl (THP) Ethers to Their Corresponding Alkyl Azides - (چکیده)
28 - A New and Efficient Method for the Protectionof Alcohols and Phenols by Using Hexamethyldisilazane in the Presence of Anhydrous Ferric Chloride under MildReaction Conditions (چکیده)
29 - Synthesis and characterization of new soluble andthermally stable poly(ester-imide)s derived fromN-[3,5-bis(N-trimellitoyl)phenyl]phthalimide andvarious bisphenols (چکیده)
30 - N,N’,N’’,N’’’-tetramethyltetra-2,3-pyridinoporphyrazinato copper(II) as a new catalyst in solvent-free tetrahydrotetrahydropyranylation(THP) of alcohols and phenols (چکیده)
31 - A New and Convenient Method of Generating Alkyl Isocyanates fromAlcohols, Thiols and Trimethylsilyl Ethers Using Triphenylphosphine/2,3-Dichloro-5,6-dicyanobenzoquinone/Bu4NOCN (چکیده)
32 - An Efficient Method for the Protection of Alcohols and Phenols by UsingHexamethyldisilazane in the Presence of Cupric Sulfate Pentahydrate underNeutral Reaction Conditions (چکیده)
33 - Highly selective conversion of 1◦ and 2◦ tetrahydropyranyethers to thiocyanates and 3◦ ones to isothiocyanates usingltriphenylphosphine/diethyl azodicarboxylate/NH4SCN (چکیده)
34 - Conversion of Alcohols, Thiols, Carboxylic Acids, Trimethylsilyl Ethersand Carboxylates to Thiocyanates with Triphenylphosphine/Diethylazodicarboxylate/H4NSCN, (چکیده)
35 - Conversion of Alcohols, Thiols, and Trimethysilyl Ethers to AlkyCyanides Using Triphenylphosphine (چکیده)
36 - A novel and highly selective conversion of alcohols, thiols, andsilyl ethers to azides using the triphenylphosphine/2,3- dichloro-5,6-dicyanobenzoquinone(DDQ)/n-Bu4NN3 system (چکیده)
37 - A New and Convenient Method of Generating Alkyl Cyanides from Alcoholsand Thiols Using 2,4,6-Trichloro[1,3,5]Triazine/n-Bu4NCN (چکیده)
38 - A Novel and Highly Selective Conversion of Alcohols, Thiols, and Silyl Ethers to Azides usingthe 2,4,6-Trichloro[1,3,5]triazine/n-Bu4NN3 System (چکیده)
39 - Efficient Method for Tetrahydropyranylation of Phenols and Alcohols Using2,4,6-Trichloro[1,3,5]triazine (چکیده)
40 - A New and Convenient Method of Generating AlkylIsocyanates from Alcohols, Thiols, and TrimethylsilyEthers Using a 2,4,6-Trichloro[1,3,5]Triazine/n-Bu4NOCNl (چکیده)
41 - Novel and Highly Selective Conversion of Alcohols, Thiols and TrimethylsilyEthers to Alkyl Nitrites with 2,4,6-Trichloro[1,3,5]triazine/n-Bu4NNO2Systeml (چکیده)
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