Microwave-mediated selective monotetrahydropyranylation of symmetrical diols catalyzed by iodine

被引:74
作者
Deka, N [1 ]
Sarma, JC [1 ]
机构
[1] Reg Res Lab, NPC, Div Organ Chem, Jorhat 785006, Assam, India
关键词
D O I
10.1021/jo000863a
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Selective protection of one hydroxyl group as its tetrahydropyranyl ether in 1,n-symmetrical diol is achieved by iodine-catalyzed reaction of the diol with dihydropyranyl ether under microwave irradiation.
引用
收藏
页码:1947 / 1948
页数:2
相关论文
共 8 条
[1]   AN EFFICIENT PROCEDURE FOR THE REGIOSELECTIVE MONOPROTECTION OF 1,2-DIOLS [J].
BARTON, DHR ;
ZHU, JP .
TETRAHEDRON, 1992, 48 (39) :8337-8346
[2]   Highly selective silver(I) oxide mediated monoprotection of symmetrical diols [J].
Bouzide, A ;
Sauve, G .
TETRAHEDRON LETTERS, 1997, 38 (34) :5945-5948
[3]   Microwave assisted catalytic protection and deprotection of alcohols with 3,4-dihydro-2H-pyran [J].
Deka, N ;
Sarma, JC .
SYNTHETIC COMMUNICATIONS, 2000, 30 (24) :4435-4441
[4]   A new selective catalytic acetalization method promoted by microwave irradiation [J].
Kalita, DJ ;
Borah, R ;
Sarma, JC .
TETRAHEDRON LETTERS, 1998, 39 (25) :4573-4574
[5]  
KOCIENSKI PJ, 1994, PROTECTING GROUPS, P83
[6]   HIGHLY SELECTIVE MONOETHERIFICATION OF SYMMETRICAL DIOLS CATALYZED BY METALLIC SULFATE SUPPORTED ON SILICA-GEL [J].
NISHIGUCHI, T ;
KAWAMINE, K ;
OHTSUKA, T .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1992, (01) :153-156
[7]   Selective monotetrahydropyranylation of symmetrical diols catalyzed by ion-exchange resins [J].
Nishiguchi, T ;
Fujisaki, S ;
Kuroda, M ;
Kajisaki, K ;
Saitoh, M .
JOURNAL OF ORGANIC CHEMISTRY, 1998, 63 (23) :8183-8187
[8]   METHYLATION OF ALCOHOLS, PHENOLS, AND CARBOXYLIC-ACIDS, AND SELECTIVE MONOMETHYLATION OF DIOLS AND DICARBOXYLIC-ACIDS WITH DIMETHYL SULFATE BY USE OF ALUMINA [J].
OGAWA, H ;
ICHIMURA, Y ;
CHIHARA, T ;
TERATANI, S ;
TAYA, K .
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1986, 59 (08) :2481-2483