Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Hao Yin"'
Publikováno v:
ChemInform. 46
This reaction procedure is advantageous because it does not require any strong alkaline medium and uses the inexpensive catalyst ZnCl2
Publikováno v:
ChemInform. 44
This method uses a chiral primary amine and a chiral phosphoric acid as an organocatalytic system to yield the products (III) with high enantioselectivities.
Publikováno v:
ChemInform. 44
The reaction conditions (silver-free) are optimized for the preparation of the alkaloid scaffolds.
Publikováno v:
ChemInform. 43
A three-step procedure to access fused pyridines has been developed utilizing inexpensive amino acids and alkenols to form the key oxazole precursors. Yields are good to excellent and provide a rapid and inexpensive route to a range of pharmacologica
Publikováno v:
ChemInform. 42
Tetra- and pentacyclic derivatives (IV) and (XII) provide building blocks of acridine alkaloids.
Publikováno v:
ChemInform. 41
Catunaregin (1) and epicatunaregin (2), two novel norneolignans with a unique O-bridged furopyran ring, together with three known neolignans, ficusal, balanophonin, and 5″-methoxy-4″-O-(8-guaiacylglycerol)buddlenol A, were isolated from the stem
Publikováno v:
ChemInform. 40
Two new quinoldione alkaloids, methyl 2-(3-hydroxy-1-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinolin-3-yl)acetate (1) and 3-hydroxy-1-methyl-3-(2-oxopropyl)quinoline-2,4(1H,3H)-dione (2), and two quinolinone alkaloids previously synthesized but first iso
Publikováno v:
ChemInform. 39
A new dihydroisocoumarin 3-(2-hydroxypropyl)-8-hydroxyl-3,4-dihydroisocoumarin (1) and a new iridoid 3-deoxyartselaenin C (5), together with six known compounds scopoletin (2), scoparone (3), morindolide (4), pinoresinol (6), medioresinol (7), and se
Publikováno v:
ChemInform. 37
A rapid and regioselective preparation of homopropargyl alcohols was reported. In the presence of SnCl2-C6H5Me3NBr and microwave irradiation, the mixture of tin-indium and propargyl bromide reacted quickly with aldehydes in aqueous media to produce t
Autor:
Jiaoyang Jiang, Hao Yin, Cunliu Zhou, Jiahai Zhang, Zhiyong Wang, Jihui Wu, Yuqing Zhou, Zhen Xie
Publikováno v:
ChemInform. 35
Zn/CdSO 4 and Zn/SnCl 2 bimetal systems were employed in the allylations of aldehydes or ketones in distilled water to afford the corresponding homoallylic alcohols in good yields. Also, the chemoselectivity was studied under the same condition. It w