O-Chem Reactions

X?

R-R ? R?X ? H?X (alkane)
alkyne ? quadruple substituted alkane

HX

alkene? substituted alkane
alkyne? substituted alkane
epoxide ? CX-COH ? CX-CX

X?

alkene? double substituted alkane
alkyne? double substituted alkane

NBS

allylic H? allylic Br

HX, PX?, or others

R?OH ? R?X

acetone and I?

R-X ? R-I and X?

18-crown-6 and CH?CN and KF

R-Cl ? R-F

?OH

R-X ? R-OH ? X

RO? or RS?

R-X ? R-O-R or R-S-R and X?

excess NH?

R-X ? R-NH?

-C?N

R-X ? R-C?N and X-

KOH

CH-CX ? C=C + X-

base, heat (loss of HX)

HC-CX ? C=C

NaI and acetone

CBr-CBr ? C=C

conc. H?SO? or H?PO? and heat

CH-COH ? C=C and H?O

heat, catalyst

CH-CH ? C=C

Ag?O, heat

CH-CN(CH?)? ? C=C (usually most substituted alkene)

H?, Pd/BaSO? and quinoline

C?C ? C=C (cis)

Na, NH?

C?C ? C=C (trans)

H?O and H+

C=C ? CH-COH

Hg(OAc)? and H?O then NaBH?

C=C ? COH-CH (markovnikov)

Hg(OAc)? and ROH then NaBH?

C=C ? COR-CH (markovnikov)

fused KOH

CX-CX ? C?C

NaNH?

CH-CX? ? C?C

NaNH? or R'Li or R'MgX

R-C?C-H ? R-C?C? +Na or R-C?CLi or R-C?CMgX

Pt, Pd, or Ni and 2H?

C?C ? C-C

HgSO?, H?SO?

C?C ? ketone

(1) Sia?BH * THF (2) H?O?, NaOH

C?C ? aldehyde

KMnO? and H?O, neutral

C?C ? R-C=O - C=O -R

(1) KMnO?, -OH (2)H+ (or O?, then H?O)

C?C ? 2 carboxlic acids

NABH?

aldehyde or ketone ? alcohols

LiAlH?

acid anion or ester ? alcohol

(1) ether and R-MgX (2) H?O+

C=O ? R-C-OH

Raney Ni and H?

C=O ? CH-OH

Na?Cr?O?, H?SO?

CH-OH ? C=O

PCC

R-CH?-OH ? R-C=O -H

(1) TsCl / pyridine (2) LiAlH?

R-OH ? R-H

HCl or SOCl?/ pyridine

R-OH ? R-Cl

HBr or PBr?

R-OH ? R-Br

HI or P/I?

R-OH ? R-I

H?SO? or H?PO?

CH-COH ? C=C

2 R-OH and H+

2R-OH ? R-O-R and H?O

R-OH and TsCL and pyridine

alkyl tosylate and H-CL

R-OH and acyl chloride

R-OH ? ester

R-O and R'X

R-O ? R-O-R

epoxide + H+ and H?O

epoxide ? COH-COH

epoxide + H+ and R-OH

epoxide ? COH-COR

expoxide and R-O and R-OH

epoxide ? COH-CH?-OR

R-(MgX or Li) and then H?O+

epoxide ? COH-CH?-R