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1. Full Text A Catalytic Oxidative Quinone Heterofunctionalization Method: Synthesis of Strongylophorine‐26
by Yu, Wanwan and Hjerrild, Per and Jacobsen, Kristian M and Tobiesen, Henriette N and Clemmensen, Line and Poulsen, Thomas B
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2018, Volume 57, Issue 31, pp. 9805 - 9809
The preparation of heteroatom‐substituted p ‐quinones is ideally performed by direct addition of a nucleophile followed by in situ reoxidation. Albeit an... 
oxidation | natural products | cobalt | quinones | terpenoids | CONVENIENT SYNTHESIS | ALKYLATION | TRIMETHYL LOCK | CELL INVASION | CHEMISTRY, MULTIDISCIPLINARY | ALCOHOLS | HYDROQUINONES | PHENOLS | BENZOQUINONE | INHIBITOR | P-QUINONES | Acetates | Cobalt | Quinone | Methods | Quinones | Catalysts | Natural products | Cytotoxicity | Reoxidation | Catalysis | Nucleophiles | Chemical synthesis
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2. Full Text A Direct Method for the Efficient Synthesis of Benzylidene Acetal at Room Temperature
by Reddy, Narra Rajashekar and Kumar, Rashmi and Baskaran, Sundarababu
European Journal of Organic Chemistry, ISSN 1434-193X, 02/2019, Volume 2019, Issue 7, pp. 1548 - 1552
For the first time, a metal‐free direct method has been developed for the efficient synthesis of benzylidene acetal at room temperature using Dowex 50WX8 as a... 
Benzylidene acetal | Solid acid catalyst | Room temperature reaction | Protecting groups | Water scavenger | KETALS | ACID | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | ALDEHYDES | ETHERS | PROTECTING GROUP | REDUCTIVE CLEAVAGE | CONVENIENT PREPARATION | ACETALIZATION | SELECTIVE CLEAVAGE | Methods | Salicylates | Carbohydrates | Synthesis | Aromatic compounds | Optical activity | Aldehydes | Acetals | Functional groups | Substrates | Diols
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3. Full Text A simple, mild, and efficient method for the preparation of α,α-dichloroketones with DCDMH catalyzed by ammonium chloride
by Zheng, Zubiao and Han, Bingbing and Cheng, Peng and Niu, Jiangxiu and Wang, Aidong
Tetrahedron, ISSN 0040-4020, 12/2014, Volume 70, Issue 52, pp. 9814 - 9818
New process that can selectively prepare α,α-dichloro ketones from various ketones with 1,3-dichloro-5,5-dimethylhydantoin (DCDMH) using ammonium chloride as a... 
Ammonium chloride | α,α-Dichloroketone | Dichlorination | Ketones | 1,3-Dichloro-5,5-dimethylhydantoin | 1 3-Dichloro-5 5-dimethylhydantoin | alpha,alpha-Dichloroketone | BROMINATION | N-HALOSUCCINIMIDES | CHEMISTRY, ORGANIC | CONVENIENT | HALOGENATION | ALKYNES | SOLVENT | Tetrahedrons | Solvents | Catalysts | Ammonium chlorides | Optimization
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4. Full Text Synthesis of substituted pyrenes by indirect methods
by Casas-Solvas, Juan M and Howgego, Joshua D and Davis, Anthony P
Organic and Biomolecular Chemistry, ISSN 1477-0520, 12/2013, Volume 12, Issue 2, pp. 212 - 232
The pyrene nucleus is a valuable component for materials, supramolecular and biological chemistry, due to its photophysical/electronic properties and extended... 
CONVENIENT SYNTHESIS | MEDIUM-SIZED CYCLOPHANES | POLYCYCLIC AROMATIC-HYDROCARBONS | SPECTROSCOPIC PROPERTIES | MOLECULAR RECOGNITION | CHEMISTRY | CHEMISTRY, ORGANIC | ELECTROPHILIC SUBSTITUTION | DERIVATIVES | EFFICIENT
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5. Full Text A catalyst-free and additive-free method for the synthesis of benzothiazolethiones from: O -iodoanilines, DMSO and potassium sulfide
by Zhu, Xiaoming and Li, Wenguang and Luo, Xiai and Deng, Guobo and Liang, Yun and Liu, Jianbing
Green Chemistry, ISSN 1463-9262, 2018, Volume 20, Issue 9, pp. 1970 - 1974
Under catalyst-free and additive-free conditions, a novel, convenient, eco-friendly method for the synthesis of benzothiazolethiones has been developed. The... 
ELEMENTAL SULFUR | 3-COMPONENT ACCESS | REAGENT | KETONES | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | CONVENIENT ACCESS | 2-MERCAPTOBENZOTHIAZOLE | CONDENSATION | INHIBITORS | N-METHYLATION | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | Sulfide | Diamines | Catalysts | Catalysis | Chemical synthesis | Potassium | Carbon sources
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6. Full Text Practical Methods for the Synthesis of Symmetrically α,α-Disubstituted α-Amino Acids
by Soloshonok, Vadim A and Sorochinsky, Alexander E
Synthesis, ISSN 0039-7881, 07/2010, Volume 2010, Issue 14, pp. 2319 - 2344
Abstract This report provides an overview of the practical methods for preparing symmetrically α,α-disubstituted α-amino acids and their derivatives. Despite... 
review | sterically constrained | nickel(II) complexes | α,α-disubstitutedα-aminoacids | dialkylation | nucleophilic glycine equivalents | VIRTUALLY COMPLETE CONTROL | PURE 4-AMINOGLUTAMIC ACIDS | MICHAEL ADDITION-REACTIONS | PHASE-TRANSFER CATALYSIS | CHEMISTRY, ORGANIC | EFFICIENT ASYMMETRIC-SYNTHESIS | alpha,alpha-disubstituted alpha-amino acids | INDUCED AXIAL CHIRALITY | OPERATIONALLY CONVENIENT CONDITIONS | POTENT ANTICANCER ACTIVITY | SUBSTITUTED PYROGLUTAMIC ACIDS
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7. SYNTHETIC METHODS OF 1,3,2-DIAZAPHOSPHININE SYSTEMS
by Ali, TE and Assiri, MA and Fonda, AM and Hassan, MM and Hassanin, NM
HETEROCYCLES, ISSN 0385-5414, 06/2019, Volume 98, Issue 6, pp. 763 - 788
The present review considers all the literature data on methods developed for the synthesis of 1,3,2-diazaphosphinine systems starting from their appearance up... 
CONVENIENT SYNTHESIS | 2-OXIDES | FACILE SYNTHESIS | NITRILES | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | PHOSPHORUS REAGENTS SYNTHESIS | 1,2-AZAPHOSPHOLES | DERIVATIVES | COMPLEXATION | PRECURSORS
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8. Full Text An efficient method for the synthesis of acylals from aldehydes using silica-supported perchloric acid (HClO 4–SiO 2)
by Kamble, Vinod T and Jamode, Vasant S and Joshi, Neeta S and Biradar, Ankush V and Deshmukh, Rameshchandra Y
Tetrahedron Letters, ISSN 0040-4039, 2006, Volume 47, Issue 31, pp. 5573 - 5576
The synthesis of acylals from structurally diverse aldehydes has been performed in excellent yields under solvent-free conditions using HClO –SiO as a mild,... 
Carbonyl compounds | Acylals | HClO 4–SiO 2 | Protection | Chemoselective | SiO | HClO | SOLVENT-FREE CONDITIONS | CONVENIENT PROCEDURE | LITHIUM PERCHLORATE | CHEMISTRY, ORGANIC | HClO4-SiO2 | CARBONYL-COMPOUNDS | protection | CHEMOSELECTIVE SYNTHESIS | AROMATIC-ALDEHYDES | carbonyl compounds | HIGHLY EFFICIENT | GEMINAL DIACETATES ACYLALS | REUSABLE CATALYST | acylals | VERSATILE CATALYST | chemoselective
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9. Full Text Methods for the Synthesis of Substituted Azetines
by Baumann, Andreas N and Eisold, Michael and Music, Arif and Haas, Geoffrey and Kiw, Yu Min and Didier, Dorian
Organic Letters, ISSN 1523-7060, 10/2017, Volume 19, Issue 20, pp. 5681 - 5684
Spurred on by the recent emerging interest from the chemical community for unsaturated four-membered heterocycles, an unprecedented approach to... 
CONVENIENT SYNTHESIS | CYCLOADDITION | AZETIDINES | CHEMISTRY, ORGANIC | STEREOSELECTIVE-SYNTHESIS | ACCESS | SKELETON
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10. Full Text An efficient catalytic method for the Friedländer annulation mediated by peptide coupling agent propylphosphonic anhydride (T3P®)
by Augustine, John Kallikat and Bombrun, Agnes and Venkatachaliah, Srinivasa
Tetrahedron Letters, ISSN 0040-4039, 2011, Volume 52, Issue 50, pp. 6814 - 6818
We have demonstrated the utilization of T3P, a mild and low toxic peptide coupling agent, as a promoter and water scavenger in the Friedländer annulation, and... 
Quinolines | Catalytic | Microwave irradiation | Friedländer annulation | Propylphosphonic anhydride | REAGENT | ONE-POT SYNTHESIS | QUINAZOLINE | Friedlander annulation | CHEMISTRY, ORGANIC | CONVENIENT | IONIC LIQUID | PHOSPHONIC ACID ANHYDRIDE | ACRIDONE ALKALOIDS | QUINOLINE DERIVATIVES | INHIBITORS | PROMOTER | Peptides | Methods
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11. Full Text Phospholipidation of TLR7/8-active imidazoquinolines using a tandem phosphoramidite method
by Bazin, Hélène G and Bess, Laura S and Livesay, Mark T and Mwakwari, Sandra C and Johnson, David A
Tetrahedron Letters, ISSN 0040-4039, 05/2016, Volume 57, Issue 19, pp. 2063 - 2066
A high-yielding and scalable phosphoramidite procedure was developed for the phospholipidation of TLR7/8-active imidazoquinolines. This method involves the... 
TLR7/8 | Imidazoquinoline | Phosphoramidite | Phospholipidation | ACTIVATION | ANALOGS | CHEMISTRY, ORGANIC | CONVENIENT | TOLL-LIKE-RECEPTOR-7 | AGONISTS | CHEMICAL SYNTHESIS | GENERAL-METHOD | NUCLEOTIDES | TOLL-LIKE RECEPTOR-7 | TLR7 | Glycerin | Glycerol | Cytokinins | Usage | Methods
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12. Full Text An efficient method for the synthesis of pyranoid glycals
by Chen, Heshan and Xian, Ting and Zhang, Jianbo and Zhang, Wan and Zhang, Bo and Zhang, Meiyu and Si, Wenshuai and Luo, Xiaosheng and Wang, Zhongfu
Carbohydrate Research, ISSN 0008-6215, 08/2016, Volume 431, pp. 42 - 46
A simple and efficient procedure was designed for the preparation of pyranoid glycals. In a novel fashion, a series of protected glycopyranosyl bromides... 
Ammonium chloride | Glycals | Glycopyranosyl bromides | Zinc | Acetonitrile | GLYCOSIDES | BIOCHEMISTRY & MOLECULAR BIOLOGY | FERRIER REARRANGEMENT | C-GLYCOSYLATION | REACTIVITY | CHEMISTRY, ORGANIC | CONVENIENT | SULFONES | SUGARS | CHROMIUM(II) COMPLEXES | CHEMISTRY, APPLIED | HYBRIDS | Molecular Structure | Zinc - chemistry | Glycosides - chemistry | Bromides - chemistry | Glycosides - chemical synthesis | Ammonium Chloride - chemistry | Ammonium compounds | Ammonium paratungstate | Analysis | Methods | Index Medicus
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13. Full Text Palladium-Catalyzed Dual Annulation: A Method for the Synthesis of Norneocryptolepine
by Yeh, Li-Hsuan and Wang, Hung-Kai and Pallikonda, Gangaram and Ciou, Yu-Lun and Hsieh, Jen-Chieh
Organic Letters, ISSN 1523-7060, 03/2019, Volume 21, Issue 6, pp. 1730 - 1734
A novel procedure for the Pd-catalyzed dual annulation reaction to synthesize the norneocryptolepine derivatives involving the concerted construction of two... 
CONVENIENT SYNTHESIS | POT SYNTHESIS | CRYPTOTACKIEINE | INDOLOQUINOLINE ALKALOIDS | CHEMISTRY, ORGANIC | CRYPTOSANGUINOLENTINE | DERIVATIVES | NEOCRYPTOLEPINE | CYCLIZATION | C-H | EFFICIENT METHOD
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14. Full Text Highly efficient solvent-free acetylation of alcohols with acetic anhydride catalyzed by recyclable sulfonic acid catalyst (SBA-15–Ph–Pr–SO3H) — An environmentally benign method
by Zareyee, Daryoush and Ghadikolaee, Abdollah Razaghi and Khalilzadeh, Mohammad A
Canadian Journal of Chemistry, ISSN 0008-4042, 05/2012, Volume 90, Issue 5, pp. 464 - 468
The catalytic activity of highly thermal stable, hydrophobic, and complete heterogeneous propylsulfonic acid functionalized nanostructured SBA-15 for excellent... 
heterogeneous catalyst | acetylation | sans solvant | solvent-free | catalyseur hétérogène | solid sulfonic acid | SBA-15 | acide sulfonique solide | acétylation | GADOLINIUM TRIFLATE | PHENOLS | AMINES | ACYLATION | CONVENIENT | CHEMISTRY, MULTIDISCIPLINARY | Acetylation | Research | Alcohols | Solvents | Chemical reactions | Catalysts | Chemical compounds
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15. Full Text Efficient catalytic-free method to produce α-aryl cycloalkanones through highly chemoselective coupling of aryl compounds with oxyallyl cations
by Luo, Juan and Zhou, Hui and Hu, Jiwei and Wang, Rui and Tang, Qiang
RSC Advances, ISSN 2046-2069, 2014, Volume 4, Issue 33, pp. 17370 - 17377
Catalytic-free coupling of aryl compounds and alpha-halo cycloketones via in situ generated oxyallyl cation intermediates is reported here. The reactions... 
CONVENIENT SYNTHESIS | ALLYL CATIONS | KETONES | CYCLOADDITION REACTIONS | ENANTIOSELECTIVE SYNTHESIS | GAMMA-BRAZAN | INTERMEDIATE | INTERRUPTED NAZAROV REACTION | BETA-DICARBONYL COMPOUNDS | CHEMISTRY, MULTIDISCIPLINARY | ASYMMETRIC REDUCTIVE AMINATION | Filtration | Aromatic compounds | Mathematical analysis | Joining | Cations | Evaporation | Catalysis
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16. Full Text Efficient catalytic-free method to produce α-aryl cycloalkanones through highly chemoselective coupling of aryl compounds with oxyallyl cations
by Luo, Juan and Zhou, Hui and Hu, Jiwei and Wang, Rui and Tang, Qiang
RSC Adv, ISSN 2046-2069, 2014, Volume 4, Issue 33, pp. 17370 - 17377
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17. Full Text A general and efficient method for the palladium-catalyzed cross-coupling of thiols and secondary phosphines
by Murata, Miki and Buchwald, Stephen L
Tetrahedron, ISSN 0040-4020, 2004, Volume 60, Issue 34, pp. 7397 - 7403
The general and efficient cross-coupling of thiols with aryl halides was developed utilizing Pd(OAc) /1,1′-bis(diisopropylphosphino) ferrocene as the catalyst.... 
Thiol cross-coupling | Palladium catalysis | Phosphine cross-coupling | palladium catalysis | CARBON | MECHANISM | SULFIDES | WATER-SOLUBLE PHOSPHINES | CHEMISTRY, ORGANIC | CONVENIENT | thiol cross-coupling | FORMING REDUCTIVE ELIMINATION | S BOND FORMATION | phosphine cross-coupling | ARYL HALIDES | TRANSITION-METAL | C-C
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