tetrahydro相关论文
Brφnsted acidic ionic liquid catalyzed highly efficient synthesis of chromeno pyrimidinone derivativ
A series of 8,9-dihydro-2-(2-oxo-2H-chromen-3-yl)-5-aryl-3/f-chromeno[2,3-(flpyrimidine-4,6(5ff,7//)-diones(5a-j) have b......
Amberlyst-15~ in PEG:A novel catalytic system for the facile and efficient one-pot synthesis of ben
A simple and convenient approach for the synthesis of tetraheterocyclic benzothiazolo-[2,3-b]-quinazolin-1-ones has been......
The chiral compound 5H-imidazol[2,3-b]isoquinoline-1-ethanol-5-one-1,2, 3, 10b-tetrahydro- β(S)-phenyl-3(S)-phenyl was ......
Synthesis,Crystal Structure and Anti-tumor Activity of Ethyl 3-(4-methoxyphenyl)-4-oxo-3,3a,4,6-tetr
The title compound(ethyl 3-(4-methoxyphenyl)-4-oxo-3,3a,4,6-tetrahydro-1H-furo[3,4-c]pyran-3a-carboxylate) has been synt......
Design, Synthesis and Antifungal Activity of 6-Fluoro-3,3a,4,5-tetrahydro-2H-pyrazolo[4,3-c]-quinoli
A series of 6-fluoro-3,3a,4,5-tetrahydro-2H-pyrazolo[4,3-c]quinoline-2-carboxamide derivatives was designed based on the......
Synthesis,Crystal Structure and Characterization of3-Ethyl-3,4,4a,10a-tetrahydro-2H-1,5-dioxa-3-aza-
3-Ethyl-3,4,4a,10a-tetrahydro-2H-1,5-dioxa-3-aza-phenanthren-6-one(C_(13)H_(13)NO_3,M_r=231.24)was synthesized and chara......
Identification and Characterization of Sulfur Compounds in Straight-Run Diesel Using Comprehensive T
The solid-phase extraction using Pd-Al2O3 as the stationary phase was employed to pre-separate the sulfur compounds in s......
An environmentally benign method for the synthesis of octahydro-quinazolin-2,5-diones by the reaction of aromatic aldehy......
Synthesis and spectroscopic characterization of novel 2-amino-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyr
2-Aminocyclopenta[d]pyrimidines 3a–c were achieved via a one-pot, three-component reactions of cyclopentanone 1, aromat......
Tetrahydro-b-carbolines with strictosamide skeleton have been synthesized via intermolecular condensation, selective red......
A convenient and efficient approach for difluoroalkyl-containing g-butyrolactones via the radical addition reaction of i......
综合利用硅胶、ODS及正相、半制备高效液相等多种色谱技术,对蟾皮大孔树脂15%乙醇洗脱部位进行化学成分分离,运用现代波谱学方法结......
The one-pot eight-component reaction between Meldrum’s acid, an aromatic aldehyde, and an aryl amine was achieved in th......
Two novel dihydropyran compounds(1 and 2) containing a triphenylamine group were synthesized and characterized. The stru......
An operationally simple and eco-friendly protocol has been developed for the synthesis of N-sulfonyl-1,2,3,4-tetrahydroi......
A convenient approach for the preparation of(1S,3’R.4’S,5’S,6’R)-5-chloro-6-[(4-ethylphenyl)methyl]- 3’,4’,5’,6’......
Silica‐bonded N‐propylpiperazine sodium n‐propionate(SBPPSP) was found to act as an efficient solid base for the prep......
Synthesis and Crystal Structure of (Z)-N-(2-(diethylamino)ethyl)-7-(5-fluoro-2-oxoindolin-3-ylidene)
The crystal structure of a new compound (Z)-N-(2-(diethylamino)ethyl)-7-(5- fluoro-2-oxoindolin-3-ylidene)-2-methyl-4,5,......
A novel and green synthesis of indolone-N-amino acid derivatives via the Passerini three-component r
A green Passerini three-component reaction of 2-(4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)acetic acid with alkyl or aryl i......
Synthesis,Crystal Structure and Cytotoxic Activities of 1-(Prop-2-yn-1-yl)-7,8-dihydro-1H-benzo[d][1
The important synthetic precursor(Ⅲ), 1-(prop-2-yn-1-yl)-7,8-dihydro-1Hbenzo[d][1,3]thiazine-2,5(4H,6H)-dione(C_(11)H_(......
在无催化剂条件下,以离子液体[BPY][BF4]为溶剂,以易得的芳香醛和达米酮为原料,一锅法合成了一系列2H-氧杂蒽类化合物,通过IR和1 H......
An effcient synthesis of functionalized tetrahydro-1H-indeno[2,1-c]pyridine derivatives by a PPh_3-p
A reaction between 1,3-dioxo-N-aryl-2,3-dihydro-1H-indene-2-carboxamides,dialkyl acetylenedicarboxylates,and triphenylph......
Potassium phthalimide:An efficient and green organocatalyst for the synthesis of 4-aryl-7-(arylmethy
An efficient synthesis of Biginelli-type compounds using potassium phthalimide as a green,mild,and commercially availabl......
The formation mechanism of methane(CH4)during coal evolution has been investigated by density functional theory(DFT)of q......
The efficient and one-pot synthesis of 4-substituted-1,2,4-triazolidin-3,5-dione derivatives(4-substituted urazoles) via......
A simple, efficient, and environmentally benign method for the synthesis of 4H-chromene derivatives was developed using ......
A bridged bicyclic compound (7), the key intermediate for thesynthesis of (-)-huperzine A (1), was prepared by diastere......
N Boc protected amino acids of analogues of peptide nucleic acid (PNA), which are a class of conformationally constra......
Synthesis of Chiral Aminophenols Based on Proline and Their Application in Enantioselective Addition
Three 2-{(3R,7As)-1,1-disubstituted-tetrahydro-1 H-pyrrolo[1,2-c][1,3]oxazol-3-yl}phenols have been synthesized fromsal......
Pictet-Spengler condensation reactions catalyzed by a recyclable H~+-montmorillonite as a heterogene
Catalytic performance of different cation-exchanged montmorillonite clays has been investigated in the Pictet-Spengler C......
The crystal of tetrahydrothiazole—2-thione(TTT)belongs to monoclinic system.Spacegroup P2_1/n.There are eight molecule......
α-烃基-δ-戊内酯(α-alkyl-δ-valerolactone或tetrahydro-2 H-pyran-2-one-3-alkyl)是有机合成的重要中间体。亲核试剂和它反......
Mass spectrometric studies of cis- and trans-1a,3-disubstituted-1, 1-dichloro-4-formyl-1a ,2,3,4-tet
The mass spectrometric behaviour of four cis- and trans-la, 3-disubstituted -1,1 -dichloro-4-formyl-1a,2,3,4-tetrahydro......
Crystal and Molecular Structure of N-(1-Ethoxycarbonyl- ethyl)1-Ethoxycarbonylmethyl-3-ethyl-1,2,3,4
The crystal structure of the title compound N-(1-ethoxycarbonyl-ethyl) 1-ethoxycarbonylmethy-3-ethyl-1,2,3,4-tetrahydro-......
Study on the Ring Eulargment Reaction: Synthesis of 7,8,13, 13a-tetrahydroisoindolo[1,2-b][3]benzaze
A new approach to the synthesis of 7,8,13,13a-tetrahydroisoindolo[1,2-b] [3]benzazepine 5 and 5,6,8,9,14,14a-hexahydrois......
The first example of fused phosphorus heterocyclic 4-[1-(b-bromoethyl)-4-oxo-3-prop yl-1, 2, 3, 4-tetrahydro-1, 3, 2-ben......
Synthesis and Crystal Structure of 7,7- Dimethyl-2-amino-3-cyano-4-(3,4-methylenedioxylphenyl)- 5-ox
The title compound 7,7-dimethyl-2-amino-3-cyano-4-(3,4-methylene- dioxylphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-benzo-[b]-py......
Synthesis and Crystal Structure of Methyl(7,7-Dimethyl-2-amino-4-(4-chlorophenyl)-5-oxo-5,6,7,8-tetr
The title compound methyl (7,7-dimemyl-2-amino-4-(4-chlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-benzo-[b]-pyran-3-yl) carb......
A new benzylisoquinoline alkaloid, 1, 2, 3, 4-tetrahydro-5-hydroxyl-8-methoxyl-2- methyl-4’-methoxyl-benzylisoquinoline......
Michael Addition Reaction without Catalyst: The Synthesis of 2-Amino-5, 6, 7, 8-tetrahydro-5-oxo-4-a
A series of tetrahydrobenzo-[b]-pyran derivative was synthesized by the reaction of arylmethylene malononitrile or arylm......
A new compound 8-chloro-5,6,7-trihydroxy-2-(3-hydroxy-4-methoxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one(1) was iso......
Two copper complexes with a new multi sulfur 1,2 dithiolene ligand, C (C=tetrabutylammonium, n Bu4N+; tetraphenylphos......
A kind of efficient non-doped white organic light-emitting diodes(WOLEDs) were realized by using a bright blue-emitting ......
This paper reports the total synthesis of (±) schizandrin, C, namely S, 6, 7, 8-tetrahydro-1,12-dimethoxy-2, 3, 10, 11......
CRYSTAL STRUCTURE OF 2-METHYL-4-(ρ-)PLUOROPHENYL-2,3,4,5 TETRAHYDRO-BENZO-(l,5)-THIAZEPINE(C16H16SNF
INTRODUCTION. In our systematic investigation on the 2, 4-substituted derivatives of dihydro- and tetrahydro-benzo-(1,5......
茉莉(Jasmine) 产品名称为“Jasfloral”(乙酸四氢-3-戊基-2H-吡喃-4-酯,tetrahydro-3-pentyl-2H-pyran-4-yl acetate,CAS# 18871-......
1.Salsolinum Salsolin 是藜科 (Chenopodiaceae) 植物 Salsola Richteri 中所得到的植物生物鹼。化学分子式是異喹啉的衍生物—......
目的 从青岛海星Asteriasrollestoni分离并确定结构新颖的活性化合物 ,并阐明海星中的次生代谢产物的多样性。方法 应用正相和反......
