Material Safety Data Sheet Section 1. Identification of the substance Product Name: 2-Amino-N-propylacetamide Synonyms: Section 2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section 3. Composition/information on ingredients. Ingredient name: 2-Amino-N-propylacetamide CAS number: 62029-81-6 Section 4. First aid measures Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation: Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Section 5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section 6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution: Wear approved mask/respirator Hand precaution: Wear suitable gloves/gauntlets Skin protection: Wear suitable protective clothing Eye protection: Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section 7. Handling and storage Handling: This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Store in closed vessels. Storage: Section 8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section 9. Physical and chemical properties Appearance: Not specified Boiling point: No data No data Melting point: Flash point: No data Density: No data Molecular formula: C5H12N2O Molecular weight: 116.2 Section 10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides. Section 11. Toxicological information No data. Section 12. Ecological information No data. Section 13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section 14. Transportation information Non-harzardous for air and ground transportation. Section 15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313.
Direct amidation of unprotected amino acids using B(OCH<sub>2</sub>CF<sub>3</sub>)<sub>3</sub>
作者:Rachel M. Lanigan、Valerija Karaluka、Marco T. Sabatini、Pavel Starkov、Matthew Badland、Lee Boulton、Tom D. Sheppard
DOI:10.1039/c6cc05147b
日期:——
A commercially available borate ester, B(OCH2CF3)3, can be used to achieve protecting-group free direct amidation of [small alpha]-amino acids with a range of amines in cyclopentyl methyl ether. The method can...
Several (3S,4S)- and (3S,4R)-statine derivatives have been prepared by attack of nucleophiles on crystalline, epimeric N-BOC-lactams 7a and 7b. The key step in the synthesis of the lactams was the TiCl4-catalyzed coupling reactions of acetals derived from (R)-1,3-butanediol with allyltrimethylsilane.
Protecting-Group-Free Amidation of Amino Acids using Lewis Acid Catalysts
作者:Marco T. Sabatini、Valerija Karaluka、Rachel M. Lanigan、Lee T. Boulton、Matthew Badland、Tom D. Sheppard
DOI:10.1002/chem.201800372
日期:2018.5.11
Amidation of unprotected aminoacids has been investigated using a variety of ‘classical“ coupling reagents, stoichiometric or catalytic group(IV) metal salts, and boron Lewis acids. The scope of the reaction was explored through the attempted synthesis of amides derived from twenty natural, and several unnatural, aminoacids, as well as a wide selection of primary and secondary amines. The study also
Synthesis and SAR studies of novel 2-(4-oxo-2-aryl-quinazolin-3(4H)-yl)acetamide vasopressin V1b receptor antagonists
作者:Susan E. Napier、Jeffrey J. Letourneau、Nasrin Ansari、Douglas S. Auld、James Baker、Stuart Best、Leigh Campbell-Wan、Jui-Hsiang Chan、Mark Craighead、Hema Desai、Katharine A. Goan、Koc-Kan Ho、Ellen G.J. Hulskotte、Cliona P. MacSweeney、Rachel Milne、J. Richard Morphy、Irina Neagu、Michael H.J. Ohlmeyer、Ard W.M.M. Peeters、Jeremy Presland、Chris Riviello、Ge S.F. Ruigt、Fiona J. Thomson、Heather A. Zanetakos、Jiuqiao Zhao、Maria L. Webb
DOI:10.1016/j.bmcl.2010.12.081
日期:2011.3
Synthesis and structure–activity relationships (SAR) of a novel series of vasopressin V1b (V3) antagonists are described. 2-(4-Oxo-2-aryl-quinazolin-3(4H)-yl)acetamides have been identified with low nanomolar affinity for the V1b receptor and good selectivity with respect to related receptors V1a, V2 and oxytocin (OT). Optimised compound 12j demonstrates a good pharmacokinetic profile and activity
Optimization of unique, uncharged thioesters as inhibitors of HIV replication
作者:Pratibha Srivastava、Marco Schito、Rasem J. Fattah、Toshiaki Hara、Tracy Hartman、Robert W. Buckheit、Jim A. Turpin、John K. Inman、Ettore Appella
DOI:10.1016/j.bmc.2004.09.032
日期:2004.12
A combinatorial chemistry approach was employed to prepare a restricted library of N-substituted S-acyl-2-mercapto-benzamide thioesters. It was shown that many members of this chemotype display anti-HIV activity via their ability to interact with HIV-1, HIV-2, SIV-infected cells, cell-free virus, and chronically and latently infected cells in a manner consistent with targeting of the highly conserved HIV-1 NCp7 zinc fingers. Compounds were initially screened using two different in vitro antiviral assays and evaluated for stability in neutral buffer containing 10% pooled human Serum using a spectrophotometric assay. These data revealed that there was no significant correlation between thioester stability and antiviral activity, however, a slight inverse correlation between serum stability and virucidal activity was noted. Based on the virucidal capability and the ability to select lead compounds to inhibit virus expression from latently infected TNFalpha-induced U1 cells, we next determined if these compounds could prevent HIV cell-to-cell transmission. Several thioesters demonstrated potent inhibition of HIV cell-to-cell transmission with EC50 values in the 80-100 nM range. Thus, we have optimized a series of restricted thioesters and provided evidence that serum stability is not required for antiviral activity. Moreover, selected compounds show potential for development as topical microbicides. (C) 2004 Elsevier Ltd. All rights reserved.