Guided course 02:38The difference between chiral and trigonal centers.Johnny Betancourt3389views28rank8comments
Guided course 02:25Determining Chirality using StereocenterJohnny Betancourt2409views18rank18comments
Guided course 03:04Determining Chirality using StereocenterJohnny Betancourt2433views19rank22comments
Guided course 02:14Determining Chirality using StereocenterJohnny Betancourt2248views20rank13comments
Textbook QuestionWhich of the following has an asymmetric center? CHBr2Cl, BHFCl, CH3CHCl2, CHFBrCl, BeHCl599views1rank
Textbook QuestionOf all the possible cyclooctanes that have one chloro substituent and one methyl substituent, which ones do not have any asymmetric centers?437views
Textbook QuestionExplain why compound A has two stereoisomers but compounds B and C exist as single compounds. A. B. C. 468views
Textbook QuestionThe following four structures are naturally occurring optically active compounds. Star (*) the asymmetric carbon atoms in these structures. Serine Erythrose Menthol Camphor 668views
Textbook QuestionA molecule of the type shown here is discussed in greater detail in Section 6.5.1. [This is the same molecule from Assessment 6.13.] Draw the mirror image. Is it superimposable? Switch the spatial orientation at both asymmetric centers. Have you generated a new molecule?<IMAGE>259views
Textbook QuestionFor each of the following molecules, identify all stereocenters and draw all possible stereoisomers.(e) <IMAGE>305views
Textbook QuestionTetracycline is called a broad-spectrum antibiotic because it is active against a wide variety of bacteria.How many asymmetric centers does tetracycline have?265views
Textbook Questiona. How many asymmetric centers does the following compound have?b. How many stereocenters does it have?<IMAGE>409views
Textbook QuestionThe following compound has only one asymmetric center. Why then does it have four stereoisomers?<IMAGE>324views
Textbook QuestionThe stereoisomer of cholesterol found in nature is shown here.<IMAGE>a. How many asymmetric centers does cholesterol have?b. What is the maximum number of stereoisomers that cholesterol can have?364views
Textbook Questiona. How many stereogenic double bonds are in octa-1,3,5-triene? How many stereocenters are there? Draw and name the four stereoisomers of octa-1,3,5-triene.292views
Textbook QuestionIdentify the following molecules as chiral or achiral. If chiral, draw the nonsuperimposable mirror image and verify its nonsuperimposability. (f)602views
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