PROCESS FOR PREPARING BETA-ANOMER ENRICHED 2-DEOXY-2,2-DIFLUORO-D-RIBOFURANOSYL-ARYLSULFONATES

申请公布号：CA2098885(C)

申请号：CA19932098885

申请日期：1993.06.21

申请公布日期：2003.07.29

申请人：

ELI LILLY AND COMPANY

发明人：CHOU, TA-SEN;JONES, CHARLES D.

分类号：C07H11/00;C07H13/08;(IPC1-7):C07H13/02;C07H17/00;C07H23/00;C07H15/04

主分类号：C07H11/00

摘要：A stereoselective process for preparing 2-deoxy- 2,2-difluoro-D-ribofuranosyl beta-anomer enriched aryl sulfonates or substituted arylsulfonates involving reacting a lactol with an acid scavenger and a sulfonating reagent in an inert solvent.

AIR GAP ADJUSTING PROCESS FOR ELECTROMAGNETIC DRIVE DEVICES

PREPARATION OF FOAMS

ALPHA METAL-FREE PHTHALOCYANINE

INFRARED MEASURING MEANS AND METHOD

POSTAGE STAMP MOUNTS

FASTENERS FOR SAFETY BELTS

PRODUCTION OF REINFORCED SINTERED TUBES

TAKE-OFF VELOCITY MONITOR FOR AIRCRAFT

OVERRUNNING CLUTCH

TELEPHONE SYSTEMS

APPARATUS FOR MAKING PRINTS FROM COLOUR NEGATIVES

TRANSDUCERS

MANUFACTURE AND OR COATING OF HEATING ELEMENTS

CONDENSER COOLED BY AN AUXILIARY FLUID

ANTI-SKID CONTROL SYSTEMS

APPARATUS FOR HEATING SOIL FOR EXAMPLE FOR THAWING ICE IN THE GROUND

OF JERUSALEM GAS LASER

AUTOMATIC CONTROL DEVICE FOR CONTROLLING TONER CONCENTRATION IN A LIQUID DEVELOPER BATH IN AN ELECTROSTATIC COPY MACHINE

PRODUCTION OF FLAVANTHRENES

WHEEL ROLLING MILL