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کلمات کلیدی: triphenylphosphine


موارد یافت شده: 30

1 - One-pot synthesis of 4-ethyl 2,3-dimethyl 1-(5-aryl-1,3,4-thiadiazol-2-yl)-5-oxo-2,5-dihydro-1H-pyrrole-2,3,4-tricarboxylate derivatives via intramolecular Wittig reaction (چکیده)
2 - A high-yielding, expeditious, and multicomponent synthesis of urea and carbamate derivatives by using triphenylphosphine/trichloroisocyanuric acid system (چکیده)
3 - Direct and Facile Synthesis of Acyl Isothiocyanates from Carboxylic Acids Using Trichloroisocyanuric Acid/Triphenylphosphine System (چکیده)
4 - A One-Pot, Fast, and Efficient Amidation of Carboxylic Acids, α-Amino Acids and Sulfonic Acids Using PPh3/N-chlorobenzotriazole System (چکیده)
5 - Synthesis of Novel 1-(Benzo[d]thiazol-2-yl)-1H-pyrrol-2(5H)-ones (چکیده)
6 - Facile and direct synthesis of symmetrical acid anhydrides using a newly prepared powerful and efficient mixed reagent (چکیده)
7 - Trichloroisocyanuric Acid/Triphenylphosphine-Mediated Synthesis of Benzimidazoles, Benzoxazoles, and Benzothiazoles (چکیده)
8 - Facile and Direct Synthesis of symmetrical acid Anhydrides Using a Powerful and Efficient Mixed Reagent (چکیده)
9 - Direct synthesis of sulfonyl azides from sulfonic acids (چکیده)
10 - PPh3-catalyzed Mannich reaction: a facile one-pot synthesis of b-amino carbonyl compounds under solvent-free conditions at room temperature (چکیده)
11 - A facile one-pot synthesis of functionalized fused benzochromene derivatives via intramolecular Wittig reactions (چکیده)
12 - Direct and facile synthesis of acyl isothicyanates from carboxylic acids using trichloroisocyanuric acid/triphenylphosphine system (چکیده)
13 - Synthesis of heterocyclic compounds by reaction of dialkyl acetylenedicarboxylates with thiourea derivatives (چکیده)
14 - One-pot synthesis of functionalized 2,5-dioxo-4- (triphenyl phophoranylidene) pyrrolidines by three-Component Reaction between Benzoyl Isocyanates and Dialkyl acetylenedicarboxylates in the Presence of Triphenylphosphine (چکیده)
15 - A Novel and Efficient Three-Component Procedure for the Synthesis of new Spiro Indenoquinoxalines (چکیده)
16 - Direct and facile synthesis of acyl azides from carboxylic acids using the trichloroisocyanuric acid–triphenylphosphine system (چکیده)
17 - A Facile Route to Functionalized 1-Arylsulfonyl- 1,2-dihydroquinolines (چکیده)
18 - Triphenylphosphine promoted addition of acetylenic esters to benzofuran-2,3-dione: one-pot synthesis of Novel γ-Spirolactones (چکیده)
19 - A Novel Synthesis of Spiro-2,5-dihydro-1,2-λ5-oxaphospholes Using a Three-Component Reaction (چکیده)
20 - One-pot synthesis of stable phosphonium ylides using 2-aminothiophenol (چکیده)
21 - New and efficient one-pot synthesis of functionalized g-spirolactones mediated by vinyltriphenylphosphonium salts (چکیده)
22 - 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)
23 - EFFICIENT CONVERSION OF TETRAHYDROPYRANYL (THP) ETHERSTO THEIR CORRESPONDING CYANIDES WITH TRIPHENYLPHOSPHINE/2,3-DICHLORO5,6-DICYANOBENZOQUINONE/n-Bu4 NCN- (چکیده)
24 - 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)
25 - Novel and Highly Selective Conversion of Alcohols and Thiols to Alkyl Nitriteswith Triphenylphosphine/2,3-Dichloro-5,6-dicyanobenzoquinone/Bu4NNO2System (چکیده)
26 - A New and Convenient Method of Generating Alkyl Isocyanates fromAlcohols, Thiols and Trimethylsilyl Ethers Using Triphenylphosphine/2,3-Dichloro-5,6-dicyanobenzoquinone/Bu4NOCN (چکیده)
27 - Highly selective conversion of 1◦ and 2◦ tetrahydropyranyethers to thiocyanates and 3◦ ones to isothiocyanates usingltriphenylphosphine/diethyl azodicarboxylate/NH4SCN (چکیده)
28 - Conversion of Alcohols, Thiols, Carboxylic Acids, Trimethylsilyl Ethersand Carboxylates to Thiocyanates with Triphenylphosphine/Diethylazodicarboxylate/H4NSCN, (چکیده)
29 - Conversion of Alcohols, Thiols, and Trimethysilyl Ethers to AlkyCyanides Using Triphenylphosphine (چکیده)
30 - 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)