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by Dai, CL and Luo, NL and Wang, S and Wang, CD
ORGANIC LETTERS, ISSN 1523-7060, 04/2019, Volume 21, Issue 8, pp. 2828 - 2832
Cs2CO3-mediated domino benzalation reaction with a variety of 2-aryl-3-nitro-2H-chromenes and 4-benzylidene-2-phenyloxazol-5(4H)-ones has been realized. The... 
CHEMISTRY, ORGANIC | 3-NITRO-2-TRIHALOMETHYL-2H-CHROMENES
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 11/2015, Volume 80, Issue 21, pp. 11048 - 11056
Cesium carbonate-mediated reaction of 2-hydroxybenzaldehydes and 2-bromoallyl sulfones afforded 2H- and 4H-chromenol derivatives endowed with a 3-arylsulfonyl... 
L-PROLINE | SALICYLIC ALDEHYDES | FUNCTIONALIZED 4H-CHROMENES | CATALYZED SYNTHESIS | THROUGHPUT SCREENING ASSAY | ALPHA,BETA-UNSATURATED ALDEHYDES | CHEMISTRY, ORGANIC | SELECTIVE SYNTHESIS | SUBSTITUTED 4H-CHROMENES | EFFICIENT | 2H-CHROMENES
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 11/2018, Volume 59, Issue 48, pp. 4263 - 4266
Boron trifluoride–etherate (BF ·OEt ) in 2,2,2‐trifluoroethanol (TFE) was found to be a highly efficient promoter system for the intramolecular alkyne–aldehyde... 
2H-Chromene | 3-Aroyl-2H-chromenes | Alkyne–aldehyde metathesis | Fluorinated alcohols | SOLVENTS | Alkyne-aldehyde metathesis | CHEMISTRY, ORGANIC | CHROMENES | Aldehydes | Fluorides | Alcohols
Journal Article
ACS Catalysis, ISSN 2155-5435, 04/2015, Volume 5, Issue 4, pp. 2329 - 2366
2H-Chromenes (2H-1-benzopyran derivatives) display a broad spectrum of biological activities. The 2H-chromene substructure is an important structural motif... 
ortho-quinone methide | 2H-chromenes | heterocycles | ring-closure | catalysis | metal-mediated | organo-catalysis | enantioselective | PROPARGYL ETHERS | ASYMMETRIC-SYNTHESIS | ENANTIOSELECTIVE SYNTHESIS | 21-1-chromenes | CHEMISTRY, PHYSICAL | CHIRAL CHROMENES | CHROMENE ACETALS | TANDEM INTRAMOLECULAR WITTIG | ANTICANCER ACTIVITY | DERIVATIVES | EFFICIENT | ANTI-BREAST CANCER
Journal Article
2006, ISBN 038728821X, vii, 273
The only book of its kind to provide an overview of the science of flavonoids in plants. 
Flavonoids | Biology, life sciences | Plant pigments | Life Sciences | Plant Biochemistry | Plant Physiology | Plant Sciences | Plant Genetics & Genomics
Book
Advanced Synthesis & Catalysis, ISSN 1615-4150, 05/2015, Volume 357, Issue 7, pp. 1381 - 1386
A straightforward method based on an iron(III) complex‐catalyzed cyclization of 2‐(1‐hydroxyallyl)phenols is reported to access a large variety of... 
2H‐chromenes | iron catalysis | total synthesis | allylic cyclization | synthetic methods | 2H-chromenes | 2,2-DIMETHYL-2H-CHROMENES | SYSTEM | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | ALDEHYDES | CHROMENE ACETALS | BOND-CLEAVAGE | CHEMISTRY, APPLIED | BENZOPYRANS | DERIVATIVES | HYDROARYLATION | METATHESIS | Synthesis | Catalysis | Organic compounds | Natural products
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2014, Volume 53, Issue 30, pp. 7923 - 7927
We describe herein a catalytic, enantioselective process for the synthesis of 4H‐chromenes which are important structural elements of many natural products and... 
benzhydrylic alcohols | asymmetric synthesis | chromenes | xanthenones | chiral phosphoric acids | ASYMMETRIC CATALYSIS | ONE-POT SYNTHESIS | ANNULATION | FUNCTIONALIZED 4H-CHROMENES | BOND-FORMING REACTIONS | SALICYL N-TOSYLIMINES | CHEMISTRY, MULTIDISCIPLINARY | FACILE CONSTRUCTION | SELECTIVE SYNTHESIS | EFFICIENT
Journal Article
Tetrahedron, ISSN 0040-4020, 11/2009, Volume 65, Issue 45, pp. 9152 - 9156
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 11/2012, Volume 10, Issue 44, pp. 8877 - 8883
An efficient synthesis of novel functionalized 2-aryl-4-(indol-3-yl)-4H-chromenes has been developed, in the presence of a catalytic amount of iodine, from... 
TANDEM REACTIONS | 4H-CHROMENES | MOLECULAR-IODINE | ASYMMETRIC-SYNTHESIS | FACILE SYNTHESIS | 4-ARYL-4H-CHROMENES | THROUGHPUT SCREENING ASSAY | CHEMISTRY, ORGANIC | SELECTIVE SYNTHESIS | CHROMENES | EFFICIENT | Benzopyrans - chemistry | Indoles - chemical synthesis | Iodine - chemistry | Benzopyrans - chemical synthesis | Catalysis | Cyclization
Journal Article
Synthesis, ISSN 0039-7881, 04/2018, Volume 50, Issue 8, pp. 1667 - 1674
Abstract A one-pot synthesis of substituted (dihydro)thieno[2,3- c ]chromene derivatives was developed through a Lewis base catalyzed domino Michael... 
paper | 3-nitro-2 H -chromenes | thieno[2,3- c ]chromenes | domino reactions | heterocycles | thioamides | PRIVILEGED STRUCTURES | COMBINATORIAL LIBRARIES | 2-HALO-1,3-DICARBONYL COMPOUNDS | 3-nitro-2 | NITRO-DERIVATIVES | CHEMISTRY, ORGANIC | thieno | PRINCIPLES | BIOLOGICAL INTEREST | chromenes | CHEMISTRY | UMPOLUNG | 2,3-DIHYDROFURANS
Journal Article
Chemical communications (Cambridge, England), ISSN 1359-7345, 05/2017, Volume 53, Issue 44, pp. 6021 - 6024
A new approach has been developed for the synthesis of 8-substituted 2H-chromenes, featuring a novel cascade aromatic Claisen rearrangement/o-quinone methide... 
Journal Article
Synthesis, ISSN 0039-7881, 09/2019, Volume 51, Issue 18, pp. 3419 - 3430
Abstract This paper describes a concise, easy-operation, high-yielding method for the synthesis of 3-sulfonyl-2-aryl-2 H -chromenes by a one-pot,... 
paper | beta-sulfonylstyrenes | ACID | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | SALICYLALDEHYDES | copper(II) acetate | ETHERIFICATION | CHROMENE ACETALS | intermolecular [4+2] annulation | salicylic acids | 2-aryl-2H-chromenes | RING-CLOSING METATHESIS | 2H-CHROMENES | DERIVATIVES | EFFICIENT
Journal Article
Journal of Heterocyclic Chemistry, ISSN 0022-152X, 09/2014, Volume 51, Issue 5, pp. 1293 - 1297
An efficient synthesis of 7‐alkyl‐6H,7H‐naphtho‐[10,20:5,6]pyrano[3,2‐c]chromen‐6‐ones by three‐component condensation reaction of β‐naphthol, aromatic... 
CHEMISTRY, ORGANIC | CHROMENES
Journal Article
Chemistry of Heterocyclic Compounds, ISSN 0009-3122, 10/2016, Volume 52, Issue 10, pp. 803 - 808
A series of 2-[(pyrimidin-5-yl)methyl]phenols and 1-[(pyrimidin-5-yl)methyl]-2-naphthols have been accessed via the interaction of carbonyl-substituted... 
1 H -benzo[ f ]chromenes | guanidine | cascade reactions | Chemistry | amidines | aza-Michael reaction | Pharmacy | pyrimidines | 4 H -chromenes | Organic Chemistry | 1H-benzo[f]chromenes | 4H-chromenes | Pyrimidines | Guanidine | Amidines | Cascade reactions | Aza-Michael reaction | CHEMISTRY, ORGANIC | Heterocyclic compounds | Methods
Journal Article
Synlett, ISSN 0936-5214, 07/2014, Volume 25, Issue 11, pp. 1571 - 1576
Abstract A simple and efficient method has been developed for the synthesis of 4 H -chromenes from o -hydroxybenzylic alcohols and dicarbonyl compounds... 
letter | supported reagents | ANNULATION | FUNCTIONALIZED 4H-CHROMENES | CHEMISTRY, ORGANIC | cyclizations | benzylations | ALCOHOLS | KETONES | chromenes | PHENOLS | FACILE CONSTRUCTION | one-pot syntheses | EFFICIENT | 2H-CHROMENES
Journal Article
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