Reference

Process for recovery of prenyl pentenoate

All Rights Reserved.Some chemicals with cas registry numbers like 7664-38-2 are also used. Process for recovery of prenyl pentenoate. Chen, Kun (Hubei University of Technology, Peop. Rep. China). Faming Zhuanli Shenqing Gongkai Shuomingshu CN 1896044 A 17 Jan 2007, 9pp. (Chinese). (People's Republic of China). CODEN: CNXXEV. APPLICATION: CN 2010-19428 21 Jun 2006. DOCUMENT TYPE: Patent CA Section: 23 (Aliphatic Compounds) Section cross-reference(s): 45 This invention provides a process for the recovery of prenyl pentenoate comprising transesterification of prenyl pentenoate with methanol or trimethylorthoacetate in the presence of catalyst. The process has the advantage of recovering pentenoic acid and prenol simultaneously. .

Preparation of 1-(hydroxyalkanoyl)azetidine-2-carboxamides as thrombin inhibitors

Preparation of 1-(hydroxyalkanoyl)azetidine-2-carboxamides as thrombin inhibitors. Williams, Peter D.Several substances are used for example 486394-45-0 which is its cas registry number.; Lyle, Terry A.; Morrissette, Matthew M.; Tran, Lekhanh O.; Staas, Donnette D. (USA ). U.S. Pat. 439117-38-1 and 63721-05-1 are cas registry numbers. These chemicals are also mentioned in this article. Appl. Publ. US 2003013700 A1 16 Jan 2003,17 pp., Cont.-in-part of U. S. Ser. No. 23,776. (English). (United States of America). CODEN: USXXCO. CLASS: ICM: A61K031-4439. ICS: A61K031-397; C07D041-02. NCL: 514210170; 514210180; 546268100; 548953000. APPLICATION: US 2002-171708 14 Jun 2002. PRIORITY: US 2000-PV256304 18 Dec 2000; US 2001-PV323184 18 Sep 2001; US 2001-23776 18 Dec 2001. DOCUMENT TYPE: Patent CA Section: 27 (Heterocyclic Compounds (One Hetero Atom)) Section cross-reference(s): 1, 63 Title compds. [I; R1, R2 = H, (substituted) alkyl, Ph, CYCR8, pyridyl, etc.; R3 = H, halo; R4 = halo; R8 = H, alkyl, cycloalkyl, alkylcycloalkyl, halocycloalkyl; when R3 = H, then R4 = Cl], were prepd. as antithrombotics (no data). Thus, 1-(3-cyclopropyl-3-methyl-2(R)-hydroxybutanoyl)azetidine-2(S)-N-(2-am inomethyl-5-chlorobenzyl)carboxamide was prepd. in 13 steps. Drug formulations contg. the latter are given. ..