A one-pot synthesis of functionalized 2,2-disubstituted 2H-1-benzopyrans The synthesis of functionalized 2,2-disubstituted 2H-1-benzopyrans was achieved by condensing 2,3,5-trimethylhydroquinone (TMHQ) with α,β-unsaturated ald... Janine,Cossy,and,... - 《Tetrahedron Letters》 被引量: 43发...
英文别名PNU 109291 | PNU-109291 | PNU109291 | 187665-60-7 | 6E4LJL8K38 | UNII-6E4LJL8K38 | CHEMBL71838 | S-PNU 109291 | S-PNU109291 | (S)-3,4-DIHYDRO-1-[2-[4-(4-METHOXYPHENYL)-1-PIPERAZINYL]ETHYL]-N-METHYL-1H-2-BENZOPYRAN-6-CARBOXAMIDE | GTPL3228 | SCHEMBL5595821 | B...
英文名称: [S,(+)]-4,6-Dihydro-8-hydroxy-6-oxo-3-pentyl-3H-2-benzopyran-7-carboxylic acid 英文同义词: (+)-Pulvilloric acid;[S,(+)]-4,6-Dihydro-8-hydroxy-6-oxo-3-pentyl-3H-2-benzopyran-7-carboxylic acid;Pulvilloric acid CAS号: 7681-94-9 分子式: 分子量: 0 EINECS号: 信...
1439990 Condensed benzopyran derivatives and pharmaceutical uses thereof BOEHRINGER INGELHEIM GmbH 28 Aug 1973 [29 Aug 1972] 40417/73 Heading C2C The invention comprises compounds of formula (wherein R 1 represents a hydrogen atom or a (C 1-4 ) alkyl group; R 2 , R 4 , R 5 which may ...
中文名称: (1aR,9aS)-9α-[(S)-1,2-Dihydroxy-1-methylethyl]-1aβ,1bα,3a,3bα,4,4aβ,5aβ,5b-octahydro-4β-hydroxy-3aα,5bβ-dimethyl-3H,7H-oxireno[i]oxireno[5,6]isobenzofuro[7,1-fg][2]benzopyran-3,7-dione 中文同义词: 英文名称: (1aR,9aS)-9α-[(S)-1,2-Dihydroxy...
The first synthesis of a series of nitro-substituted 2,2-diphenyl-2H-1-benzopyrans is reported. Our synthetic approach is based on a linear synthesis in two steps from appropriate brominated 2,2-diphenyl-2H-1-benzopyrans 12–17, which requires the preliminary preparation of bromophenols 7–11...
CAS号[7681-94-9]化源网提供[[S,(+)]-4,6-Dihydro-8-hydroxy-6-oxo-3-pentyl-3H-2-benzopyran-7-carboxylic acid]MSDS、说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。
英文别名2H-1-Benzopyran-2-one,4-methyl-7-(b-D-xylopyranosyloxy)- | COUMARIN, 4-METHYL-7-(.BETA.-D-XYLOPYRANOSYLOXY)- | Q27894530 | Boc-(S)-3-Amino-4-(2-thienyl)butanoicacid | SCHEMBL952255 | A-D-xylopyranoside | 4-Methylumbelliferyl- | BDBM50361734 | (1'-Methyl-6 ...
ChemInform Abstract: Synthesis of Some 4‐[3′ or 4′‐(4H‐4‐Oxo‐1‐benzopyran‐2‐yl)phenyl]‐1,4‐dihydropyridine Derivatives as Potential Calcium Cha... ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals...
Alkylation of 2-hydroxydibenzofuran with 3-chloro-3-methyl-1-butyne, followed by Claisen rearrangement, gave access to 3,3-dimethyl-3Hbenzofuro[3,2-f][1]-benzopyran. Several derivatives modified at the pyran 1,2-double bond were prepared, including the corresponding dihydro compound and (±)...