Dept相关论文
May had already arrived,but the northern lands of Tibet were still covered in the whitest of snow.It is in this place th......
A series of novel 7-amide substituted-4-androstene-3,17-dione derivatives(8αa “8αh or 8βa ”8βh) was synthesized fr......
Synthesis, Characterization and X-ray Crystal Structure of 2-Benzyl-7-butoxyl-9-isobutyl-1-methyl-β-
2-Benzyl-7-butoxyl-9-isobutyl-1-methyl-β-carboline bromide(H-2-65) was synthesized by the reaction of Harmine with 1-io......
Synthesis and Crystal Structure of (2-Iodo-5-nitrophenyl)-[1-(1-methylazepan-3-yl)-1H-indol-3-yl]met
The title compound (2-iodo-5-nitrophenyl)-[1-(1-methylazepan-3-yl)-1H-indol-3-yl]methanone (C22H22IN3O3 , Mr = 503.07 ) ......
Two new compounds named as 3b 12 16-trihydroxy-6 8 11 13-abietatrien(1) (8R 80S)-4 40 8-trihydroxyl-3 30-dimethoxyl-90-l......
从除虫菊酯中分离得到瓜菊酯Ⅱ,通过DEPT及1H-1HCOSY,HSQC,HMBC,NOESY等2D NMR技术对该化合物所有的1H和13C NMR信号进行了详细解......
Isolation and Structure Elucidation of Autolytimycin, A New Compound Produced by Streptomyces Autoly
Autolytimycin 1 was isolated from the culture filtrate of Streptomyces autolyticus JX-47, together with two known compou......
A new triterpenoid saponin with novel sugar moiety (1),a new trisaccharide derivative (2),as well as a known monosacchar......
自1975年R.R.Ernst首次实现二维核磁共振实验技术以来,十多年中此技术飞跃发展,功效显著,为促进有机化学的发展起了重要作用,因此......
用DEPT~(13)C-NMR、~1H-~1H COSY 2D NMR、~1H-~1H NOESY 2D NMR和~(13)C-~1HCOSY 2D NMR二维核磁共振及FAB-MS(快原子轰击质谱)......
使用普通~(13)C-NMR及DEPT-~(13)C-NMR、~(13)C-~1H correlation(2D)NMR、~1H-~1H cosy(2D)NMR等核磁共振新技术对整体月光花素甲......
本文研究了九种新合成含吡啶氮杂缰绳醚~1H、~(13)C NMR谱。用经验计算、DEPT及二维异核相关谱等方法进行谱线归属。在此基础上讨......
用J_(MOD)和DEPT技术,并结合氘标记和进行一些化学反应,确定了赤霉低酸及其一些衍生物的~(13)C-NMR谱中的所有~(13)C峰归属。......
本文研究了群柱内酯萜(Ⅰ)的二维~1H同核COSY、C-H COSY、远距C-H COSY谱,根据这些信息和经验规律归属了(Ⅰ)的~1H及~(13)C谱峰,二......
本文介绍了利用自旋回波和J调制的办法识别化合物中不同类型碳原子的APT技术。比较了极化转移增强核灵敏度的INEPT和DEPT技木,并给......
本文报道了四个deformyl corymine的吲哚生物碱的~(18)C谱的归属,对一些取代基效应进行了讨论;并应用了C-H COSY及选择去偶技术,指......
用DEPT编辑谱方法确定了丙烯酸丁酯—醋酸乙烯酯—丙烯酸共聚物的~(13)C-NMR谱线归属,采用门控去偶,增加延迟时间,减小脉冲翻转角......
t 2亏19 1.34 21.13,4.,40‘4.2乌恰 二竺翌生________国‘地丝里竺竺塑终史竺;{;:{;;}{::;:{:,;;;;::;募搜 No TIKE LAT.LONG.月L......
No.1Palladium - Catalyzed Carbonylation of TerminalAcetylenes in Supercritical Carbon Dioxide(1)Film Properties of Water......
An unexpected tricyclic compound 2,3,3a,4,5,9b－hexahydrophenylfuro [3,2-c]quinoline 4 and its aromatized product 6 were o......
The mechanism of asymmetric reduction catalyzed by a C_2 symmetric bis-amino alcohol catalyst——In si
By means of 1H, 13C, 11B NMR, polar transfer DEPT135, DEPT90 and 2D NMR experiments, IR, etc, the structure of the diam......
Two new indole alkaloids. wuchuyuamide Ⅰ and Ⅱ were isolated from the fruits of Evodia rutaecarpa (Juss.) Benth and th......
The Synthesis of 4-Arylcarbonyl-3-methoxycarbonyl-2-phenylfurans by Friedel-Crafts Acylation Reactio
Keto esters 8, 4-arylcarbonyl-3-methoxycarbonyl potential precursors of the synthesis of furofuran lignans, were obtaine......
Two new sesquiterpenoid trialcohol isomers named 1b, 4a 11a-trihydroxyeudesmane (1) and Yunnanensehedychetriol (2), were......
methyl-5-propyl-7, 12-dihydroxy chromone-12-O-β-D-glucopyranoside was isolated from the stem of Cassia siamea. The str......
A New flavone named Macrophyllol was isolated from the roots of Uvaria macrophylla. The structure of 1 was elucidated on......
Two new eremophilane sesquiterpenes 3β-angeloyloxy-8α-hydroxy-6β-methoxy eremophil-7 (11), 9 (10)-dien-8, 12-olide (1......
研究了最近合成的 6种N (2 苯基 1 ,2 ,3 连三唑 4 甲酰基 ) N′ 芳基硫脲新化合物 .通过测定 6种新化合物的1 3CNMR和DEPT谱......
Chemical investigation on the ethanol extract from the roots of Spiraea japonica var. acuta resulted in the isolation of......
对一些二维 NMR技术 ,例如 1H- 1H相关谱 ( 1H- 1H COSY) ,1H- 13C杂核化学位移相关谱 ( 1H- C13COSY) ,奥氏核效应交换相关谱 ( N......
A new 10-hydroxyl anthrone glycoside, 1, 8, 10 - trihydroxyl-1ObDglucopyrano- syl-3-methyl-10- C (S) b D- glucopyranos......
A new diterpenoid was isolated from the ethanolic extract of the dried root bark of Tripterygium wilfordii Hook.f. It i......
From the seeds of medicinal plant Koelreuteria paniculata, a new pseudo sesquiter- penoid with novel skeleton namely pan......
Two New Isobutyltartrate Monoesters from Coeloglossum viride (L.) Hartm. var. bracteatum (Willd.) Ri
Two new isobutyltartrate monoesters, coelovirin A (1) and B (2), were isolated from the rhizomes of Coeloglossum viride ......
Two new acyclic diterpene-g-lactones named hanliuine III (1) and hanliuine IV (2) were isolated from leaves of Salix mat......
A new sesquiterpene: 11,12,13-trihydroxy-4(15),7(8)-eudesmdien-9-one was isolated from Saussurea parviflora. The struct......
Two alkaloids tylophoridicine D (1) and tylophoridicine E (2) have been isolated from Tylophora atrofolliculata. The st......
Chemical investigation of L.sagitta afforded two new eremophilenolides, which were identified as 6-angeloyloxy-10?hydrox......
Two new furostanol oligoglycosides named as aspacochioside A (1) and B (2) were isolated from the roots of Asparagus coc......
Two new sesquiterpene lactone glycosides were isolated from the seeds of Carpesium macrocephalum. Their structures were......
One new grayanane diterpene glucoside, rhodomoside A 1 was isolated from the roots of Rhododendron molle G. Don (Ericace......
A new furanoeremophilane and a new eudesmane were isolated from the roots of Ligularia veitchiana. Their structures wer......
A new sesquiterpene lactone, strychnilactone (1), together with five known sesquite- rpenoids, linderane (2), lindenenol......
A new C_(27)-steroidal glycoside with three known compounds were isolated from the tuber of Ophiopogon japonicus(Thunb.)......
Two new ionone derivatives, rhododendrone A and rhododendronside, have been isolated from the alcoholic extract of the a......
