Download Chapter 18 | CHEM 220 - Organic Chem II Lect and more Quizzes Organic Chemistry in PDF only on Docsity!
Alkoxymercuration/demercuration
alkene + 1.ROH (CF3CO2)2HG 2. NaBH TERM 2
Williamson Ether Synthesis
DEFINITION 2 The Williamson ether synthesis is an organic reaction, forming an ether from a organohalide and an alcohol. RO- + R'Ch2X---------ROCH2R' TERM 3
Clevage by HBr or HI
DEFINITION 3 R-O-R' -----(HX/H2O)-----RX R'OH TERM 4
Claisen Rearrangement
DEFINITION 4 The Claisen rearrangement (not to be confused with the Claisen condensation) is a powerful carbon-carbon bond- forming chemical reaction discovered by Rainer Ludwig Claisen. Ph-o-ch2chch (heat) TERM 5
Acid Catalyzed Epoxide opening
DEFINITION 5 trans diol, trans alcohol and halide
Epoxide formation
Alkene + peroxy acid TERM 7
Base-Catalyzed Epoxide opening
DEFINITION 7 result is trans alcohol and alkoxy group. RO-, ROH RMgX+ epoxide (1 ether, 2 H3O+) TERM 8
Thiol
DEFINITION 8 In organic chemistry, a thiol is a compound that contains the functional group composed of a sulfur-hydrogen bond (-SH). RCH2Br (1.(H2N)2C=S/1.H2O, NaOH)----RCH2SH TERM 9
Oxidation of Thiol to Disulfide
DEFINITION 9 2 RSH (I2, H2O) RS-SR TERM 10
Sulfides
DEFINITION 10 A sulfide (sulphide in British English) is an anion of sulfur in its lowest oxidation number of 2. Sulfide is also a slightly archaic term for thioethers, a common type of organosulfur compound that are well known for their bad odors. RS- + R'CH2Br----RSCH2R'
