设为首页
收藏本站
网站地图
|
English
|
公务邮箱
About the library
Background
History
Leadership
Organization
Readers' Guide
Opening Hours
Collections
Help Via Email
Publications
Electronic Information Resources
常用资源
电子图书
期刊论文
学位会议
外文资源
特色专题
内部出版物
Wiley电子期刊(8)
SpringerLink电子期刊(1)
Elsevier电子期刊(12)
ACS电子期刊(23)
在“
Elsevier电子期刊
”中,
命中:
12
条,耗时:小于0.01 秒
在所有数据库中总计命中:
44
条
1.
Ring opening of DA-cyclopropanes with electron rich arene/heteroarene: synthesis of 2-(2,2-diarylethyl)malonates
作者:
Ranadeep Talu
k
dar
;
Amrita Saha
;
Deo Pra
k
ash Tiwari
;
Manas
K
.
Ghorai
;
m
kghorai
@iit
k
.ac.in" class="auth_mail" title="E-mail the corresponding author
关键词:
2-(2
;
2-Diarylethyl)malonates
;
DA-cyclopropanes
;
Nucleophilic ring opening
;
Electron rich arene
;
Indole
刊名:Tetrahedron
出版年:2016
2.
Enantioselective synthesis of α,β-diamino ester derivatives: memory of chirality in imino-aldol reactions
作者:
Manas
K
.
Ghorai
;
K
oena Ghosh
;
A.
K
. Yadav
关键词:
Memory of chirality
;
Enolate
;
Imino-aldol
;
α
;
β
;
-Diamino esters
;
Aziridine
刊名:Tetrahedron Letters
出版年:2009
3.
An efficient synthetic route to substituted tetrahydropyrimidines by Cu(OTf)
2
-mediated nucleophilic ring-opening followed by the [4+2] cycloaddition of N
作者:
Manas
K
.
Ghorai
;
K
alpataru Das
;
Amit
K
umar
关键词:
Azetidine
;
[4+2] cycloaddition
;
Cu(OTf)
2
;
S
N
2
;
Tetrahydropyrimidine
;
1
;
3-Diamine
刊名:Tetrahedron Letters
出版年:2009
4.
Lewis acid mediated nucleophilic ring opening followed by cycloaddition of 2-aryl-N-tosylaziridines with carbonyl compounds: further support towards an S
N
2-type mechanism
作者:
Manas
K
.
Ghorai
;
K
oena Ghosh
关键词:
2-Aryl-
N
-tosylaziridine
;
Cu(OTf)
2
;
Zn(OTf)
2
;
BF
3
·
;
OEt
2
;
Nucleophilic ring opening
;
S
N
2 pathway
;
Mechanism
;
Carbonyl
;
1
;
3-Oxazolidine
;
1
;
2-Amino alcohol
刊名:Tetrahedron Letters
出版年:2007
5.
Lewis acid mediated S
N
2-type nucleophilic ring opening followed by [4+2] cycloaddition of N-tosylazetidines with aldehydes and
k
etones: synthesis of chiral 1,3-oxazinanes and 1,3-amino alcohols
作者:
Manas
K
.
Ghorai
;
K
alpataru Das
;
Amit
K
umar
关键词:
N
-Tosylazetidine
;
Nucleophilic
;
Ring opening
;
Carbonyl
;
Lewis acid
;
Cu(OTf)
2
;
[4+2] Cycloaddition
;
1
;
3-Oxazinane
;
1
;
3-Amino alcohol
;
Non-racemic
;
S
N
2
;
Mechanism
刊名:Tetrahedron Letters
出版年:2007
6.
Regioselective addition of 1,3-dicarbonyl dianion to N-sulfonyl aldimines: an expedient route to N-sulfonyl piperidines and N-sulfonyl azetidines
作者:
Manas
K
.
Ghorai
;
Amit
K
umar
;
S
;
ipan Halder
关键词:1 ;
3-Dianion
;
β
;
-
K
eto ester
;
β
;
-Dicarbonyl
;
δ
;
-Amino-β
;
-
k
eto ester
;
δ
;
-Amino-β
;
-di
k
etone
;
Piperidine
;
Azetidine
刊名:Tetrahedron
出版年:2007
7.
A convenient synthetic route to enantiopure N-tosylazetidines from α-amino acids
作者:
Manas
K
.
Ghorai
;
K
alpataru Das
;
Amit
K
umar
关键词:
Chiral substituted-
N
-tosylazetidine
;
2-Cyano-
N
-tosylazetidine
;
α
;
-Amino acid
;
β
;
-Amino acid
;
β
;
-Amino aldehyde
;
Chiral cyanohydrin
;
Enantiopure
刊名:Tetrahedron Letters
出版年:2007
8.
A convenient synthetic route to 2-aryl-N-tosylazetidines and their ZnX
2
(X = I, OTf) mediated regioselective nucleophilic ring opening reactions: synthesis of γ-iodoamines and tetrahydropyrimidines
作者:
Manas
K
.
Ghorai
;
K
alpataru Das
;
Amit
K
umar and Animesh Das
关键词:
2-Aryl-
N
-tosylazetidine
;
[
;
4+2]
;
Cycloaddition
;
ZnX
2
(X = I
;
OTf)
;
γ
;
-Iodoamines
;
Tetrahydropyrimidine
刊名:Tetrahedron Letters
出版年:2006
9.
Copper(II) triflate promoted cycloaddition of α-al
k
yl or aryl substituted N-tosylaziridines with nitriles: a highly efficient synthesis of substituted imidazolines
作者:
Manas
K
.
Ghorai
;
K
oena Ghosh and Kalpataru Das
关键词:
Aziridines
;
[
;
3+2]
;
Cycloaddition
;
Cu(OTf)
2
;
Zn(OTf)
2
;
Imidazoline
;
Pyrrolidine
刊名:Tetrahedron Letters
出版年:2006
10.
An efficient route to regioselective opening of N-tosylaziridines with zinc(II) halides
作者:
Ghorai
;
Manas
K
.
;
Das
;
K
alpataru
;
K
umar
;
Amit
;
Ghosh
;
K
oena
关键词:
Aziridine
;
Zinc(II) halide
;
β
;
-Halo amine
;
[
;
3+2]
;
Cycloaddition
刊名:Tetrahedron Letters
出版年:2005
1
2
按检索点细分(12)
作者(12)
按出版年细分(12)
2016年(1)
2009年(2)
2007年(4)
2006年(2)
2005年(1)
2000年及以前(2)
NGLC 2004-2010.National Geological Library of China All Rights Reserved.
Add:29 Xueyuan Rd,Haidian District,Beijing,PRC. Mail Add: 8324 mailbox 100083
For exchange or info please contact us via
email
.