Question

Please predict the major products, reactants, reagents or intermediates in the following reactions. (27) 1.PBr.B2 2,HO OH (28) 1.LDA 2.CHBr (29 EtO NaOEt OEt EtOH CHal NE (30) NaOH EtOH heat (31) 1.NaOEt,EtOH 2.heat (32) 1.NaOEtEtOH 2.heat (33) 1.NaOEt,EtOH 2.heat 34 CHNO 1.NaOEtEtOH 2.HO 35 COEt 1.NaOEt.EtOH 2,HO,Heat COEt Br {36) 0.05 equiv.NaOEt EtOH (37) 1.HgO 2.KOH 3.HO 4.heat (38) CHO NaOEt H2O EtOH (39) 1.NaOEt,EtOH 2.HO (40) NaH H2O EtOH

          Please predict the major
products, reactants, reagents or intermediates in the following
reactions.
(27)
1.PBr.B2 2,HO
OH
(28)
1.LDA 2.CHBr
(29 EtO
NaOEt OEt EtOH
CHal
NE
(30)
NaOH EtOH
heat
(31)
1.NaOEt,EtOH
2.heat
(32)
1.NaOEtEtOH 2.heat
(33)
1.NaOEt,EtOH
2.heat
34
CHNO
1.NaOEtEtOH
2.HO
35
COEt
1.NaOEt.EtOH 2,HO*,Heat
COEt
Br
{36)
0.05 equiv.NaOEt
EtOH
(37)
1.HgO* 2.KOH
3.HO 4.heat
(38)
CHO
Na*OEt
H2O
EtOH
(39)
1.NaOEt,EtOH 2.HO*
(40)
NaH
H2O
EtOH

please predict the major products reactants reagents or intermediates in the following reactions 27 1pbrb2 2ho oh 28 1lda 2chbr 29 eto naoet oet etoh chal ne 30 naoh etoh heat 31 1naoetetoh 41754

Added by Tonya F.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Anand Jangid

Step 1

PBr.B2 2,HO OH: The reaction is likely a substitution reaction where PBr3 reacts with HOH to form H3PO4 and HBr. (28) 1.LDA 2.CHBr: LDA (lithium diisopropylamide) is a strong base that can deprotonate CHBr to form the corresponding carbanion. (29) EtO NaOEt OEt Show more…

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Please predict the major products, reactants, reagents or intermediates in the following reactions. (27) 1.PBr.B2 2,HO OH (28) 1.LDA 2.CHBr (29 EtO NaOEt OEt EtOH CHal NE (30) NaOH EtOH heat (31) 1.NaOEt,EtOH 2.heat (32) 1.NaOEtEtOH 2.heat (33) 1.NaOEt,EtOH 2.heat 34 CHNO 1.NaOEtEtOH 2.HO 35 COEt 1.NaOEt.EtOH 2,HO*,Heat COEt Br {36) 0.05 equiv.NaOEt EtOH (37) 1.HgO* 2.KOH 3.HO 4.heat (38) CHO Na*OEt H2O EtOH (39) 1.NaOEt,EtOH 2.HO* (40) NaH H2O EtOH