Natural kaolinitic clay: A mild and efficient catalyst for the tetrahydropyranylation and trimethylsilylation of alcohols

被引：47

作者：

Upadhya, TT

Daniel, T

Sudalai, A

Ravindranathan, T

Sabu, KR

机构：

[1] NATL CHEM LAB,DIV ORGAN CHEM,PUNE 411008,MAHARASHTRA,INDIA

[2] REG RES LAB,CLAY MINERAL DIV,TRIVANDRUM,KERALA,INDIA

来源：

SYNTHETIC COMMUNICATIONS | 1996年 / 26卷 / 24期

关键词：

D O I：

10.1080/00397919608004777

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Natural kaolinitic clay possessing transition metals such as Fe, Ti in its lattice has been found to catalyze efficiently the protection of a variety of alcohols with 2,3-dihydro-4H-pyran (DHP) and hexamethyldisilazane (HMDS) at ambient conditions.

引用

页码：4539 / 4544

页数：6

共 16 条

[1] SORPTION AND MOLECULAR-SIEVE PROPERTIES OF CLAYS AND THEIR IMPORTANCE AS CATALYSTS
BARRER, RM
[J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 1984, 311 (1517): : 333 - 352
[2] BONGINI A, 1979, SYNTHESIS-STUTTGART, P618
[3] CORNELIS A, 1994, SYNLETT, P155
[4] HEIGHTENED SELECTIVITY IN AROMATIC NITRATIONS AND CHLORINATIONS BY THE USE OF SOLID SUPPORTS AND CATALYSTS
DELAUDE, L
LASZLO, P
SMITH, K
[J]. ACCOUNTS OF CHEMICAL RESEARCH, 1993, 26 (12) : 607 - 613
[5] GREENE TW, 1991, PROTECTIVE GROUPS OR
[6] HOYER S, 1986, SYNTHESIS-STUTTGART, P655
[7] JAYACHANDRAN B, UNPUB J CHEM SOC CHE
[8] Kocienski P.J., 1994, PROTECTING GROUPS
[9] KUMAR P, 1993, SYNTHESIS-STUTTGART, P1069
[10] KUNZ H, COMPRHENSIVE ORGANIC, V6, P631

← 1 2 →