Number | Date | Country | Kind |
---|---|---|---|
94114643 | Sep 1994 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3562257 | Kugita et al. | Feb 1971 |
Number | Date | Country |
---|---|---|
0 081 234 | Jun 1983 | EPX |
0 154 895 | Sep 1985 | EPX |
0 320 361 | Jun 1989 | EPX |
0 320 362 | Jun 1989 | EPX |
0 338 892 | Oct 1989 | EPX |
0 353 032 | Jan 1990 | EPX |
0 424 214 | Apr 1991 | EPX |
63-275572 | Nov 1988 | JPX |
WO 9117153 | Nov 1991 | WOX |
WO 9210485 | Jun 1992 | WOX |
Entry |
---|
Chemical Abstracts, vol. 115, No. 11, Sep. 16, 1991, p. 909, Abstract No. 114560f, "Preparation of high-Purity diltiazem from cis-=(+)-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzo=thiazepin-4(5H)-one Without Isolation of N-alkylated Intermediate", Inventors: Jiri Hrbata et al. |