Tmahr&mVol. U. No. IS.pi 415 ~04820.19%3 Pmwd I” Grar Brima
PIu)PSLtANXS. XXV.
‘IME
@MB4oiQ/a1) 1300+.00 0 1981 Fwgamon Press pk
pWcILON
TBTiWNlC ?Y)PXLLMXS YiM
01
Chemistry,
18ratl
Institute
~Recekxd
urtrtct
- KMD IB ibtt. to rtplace affordiog the corrtmpondlng
ditntm,
rlogr
Thie reaction
consisttd
dtenophilt qectra
tht forur te(CD)3
More rtccntiy and a aZxturt ether
a mixture
CpCo-dlethtnt
of
the starting
or imidc; of
lsoneric
five
other
in OK t 7 May
complaxt8
of
of various
the
iron
Israel
dtfinition
interacted
In-c(M=?t(Q))3
x) reprtmm
or CpCo), lch
remone
when Pc~(CX))~ ~a@ reacted
could
containing
of
with
utrt
1 but &en
reactive
The ‘H-M(R of the
(tttraanic)
propellane
mixture. 3 Oving to tht hercrocyclic
in principlt,
ring,
one pry obtaln
mono-complexes iaolattd
rcpulrlon
rttrfc
of
a five-rr?abcrcd
2 isomeric
(PTAD).
very
be correlated.
typt
ring*),
products
by this
the configuration
of
in the product
cyclohtxadiene
Indeed floe
noiety
with the smt
1 (---
ttprreent
propellants
trfcerboayl
and products
for
&if*,
with 4-phtnyl-3,5-dloxo-triaxoLlnedtont
the tduct#
oltrrials
prermebly
OF
1988)
md permitted
~8
(2c-e).
in ca 1X yield,
Ttchnoiogy,
were mhouo to be preatnt
lines
products
bls-carplcxen
This occurred
of
wert ltaaurtd groups. 2
of
Interacting
of displaccatnt
CpCo-cmplrxcr
of
cLv oymetry
found
of
and c&t coaftgurattona of
reqtctivt
e.g.
are capable
03NPLtMS
CpcO moieties cooplexed to 1,3Diclr-Alder adduct* of these dienea.
- We have whom that Ft(a)j3
Imtraduttior. cycloheuditna
CRBALT
* loSEill KAPON, AND DAVID GIXSSURG
PNINA ASKKWZL*,
Department of
CYCUMWXADIIWL
4-HETWL-3,S-DIOXO-TRIA2OLINXD’ONE (HTAD)**
2a,b
and 3
when M-Pc(CD),,
between its
Fc(CO)~ was rued,
2c btlog
H groups.4a
only 2c ws
obtained,
in hfgh yitld.4a Dfecumfoa
tn the reaction ooittlem certain
reaponnible
ruing
bia-caplex for
iaolatcd
concentration
(see
** Dcdtcated seminal XIII.
Ginsburg, *Deceamd
not
(frau
of
lurprisfog that no 2c (H=CpcO) could be observtd %?I*steric repulsion of tvo CpCo
CpCo-dierhent.3
the abrtncc
from the ‘IIt-HIIRspectrum
unob8trvablt
Pert
Is is therefore obtafntd
in eht anti,anti
presumably
his
of tlant.mixture
of
of ltaric thir
the reaction
but $eprratlon
of
rtfertoca
potential ofxrurt
is
product.3
the hcttro-ring) Of course,
that 2t is not present
the products
*Iso
showed that
ia
ON MY not be in an
no 2e could
be
belov). fn frleodrhlp
contributions
to tn organocobaltophlle, to tht chemistry
P. Anhkenarf,
J. Mtr. March 9.
ti.
Sot.,
A.L.
Professor
hlbert
of much more complex cobalt
Gutmao, Ash+? Hnndtlbaun,
in prem.
1988.
4815
D. Killer,
Eachennooer,
in honor of
compounds.
U.J.
Richrtr,
end D.
4816
P. A.lHKlwAZI
JN M5kMq qJ
k
li
al.
Cl
M I
-
After
a lecture
lppcrtcd
ho try
In short
order
experience appeared
w
ructica
he inforrd
vith vorthtiile
could
lepemtion
attapt
much reparation
We wre
vae
not
air-stable
looking
PC(a))3
IffAD. Only Zc could mentioned
before,
Two sots rtertind of the
of the
occurr.’
pure
Since DUD.
.o
If n
with
of working
in
both
that
m
rucceeded
bircaplexe#
in working
it
Our 1Cllhof.x
earlier3
cmpoante.
pure wx~~- ad
we bed
propell*ner’
with
work reported
we
with
in
XXAD.
tri~rolinodiaer~
the
to rho need
but
luckily
CpCo-capluer
ln
ltxaphcm
argon
involved
acre
during
rufficiently
unnecessary.
The crude
raction
Although it
the
v~
be lrobted
the
tituree
poaible
cwillg
prepamd
CpCo-caplua both
to ita
in alheir
were
are
lea
#table
to lrolate
tha
end to react
inrtability
then
(#cc uperlxental
the thr
meetion)
with and as
no Xe ue# obtained.
of rxperhents
uterial latter
happily
cmplexcr not
their
of our experience
a procedure
lpainted.
chrm~togr~phic~lly
Joint
diomo,
the pe(C0)3’capluer.
tetmenic
CpCo-cap1ex.a’
the
into
rewtioru
#twer
and Dlrcus~ia.-
correrpondtnp
xixturer
the
fomrd
ruch
w
i&cd
an
to workup.
and irolatia
to uke
Xawltr
easier
for
cajrgetd
uork
of varioru
of their
- 20
of veriau urllcr
raction
dduct#
interectia
to pZAD becwa
derivative
leparetion
atudy
- 2d
at
the dimplacrent
to repeat
2c
CpCo-caplaer
e TAD tollal-
of product
we could
KfAD ve# preferred
the
laagh
kind
-
and birDielr-Alder
to study
MM
M
2b
includi~
uith
UI that
the xcn(r were
the
P. VakLhrdt
their
collaborators
methyl
20
YU dienophile
ruurired
in the
tetmenic
propellene
rare
ratted
carried
vith
uu
prerent
follalng
iride
vith
thrcqthout.
rchaer.
-thy1
at
the pure
1 lq MUD, in the
Dlfferont
In all
the
C~CI
wed,
l.c.
XW
nti
recond
QCo-caplues. with
rrrulta
the wm(r tilde,
In one,
10 eq so thet
yczu obtained
or his-CpCo
the
a lerpc
ucew
and these
caplex
l re
of the
h
+a To
cocp
0
/
\
2a
Xhe referee rtandard
fomulee
hr
luggerted
ured
herein.
that
m
utd
l
full
structural
fomula
to asure
understandillg
of
4817
RopeIIanc5--XCIV
The firet
s&as
shafs
t&s rwults
for
ths corxnrpondig;
raw-syn-caplrr,
2e,
in X
yield.
NMC
NM
MTAO
NMa
MTJID
IO
Scheme
of
stteck ujor
uhen tbsts
th
usked
product
CpCo occurs rsreted
with
is
ring
Although aore
tbrn
syn-uono-Dirla-Alder the
reaction
8rrooXly moiety
period
lntsrventiou
&hue
recovered. little
(uuctmplexsd) frm
nsjor
the
enayrh
ring.
adduct,
the
obssrvsd’)
4 ia
rescttou
ssquencc
But
tire
product
(40X)
is
sas
CpCo is
Sat
likely
this
during
2e (29%) tesctim
an lqulvalsnt
1s *sin
of
rsuaed
sepsrstiou
thsn Fe(CO)2
simply
product
out,
of
ir
the nsksd of wwwwwwwwwW
sdduct
5 for
1s the cobslt-free sfthsr
CpCo is
st
vis
iepottmt,instsnce
air
tks very
cmplsxed
no such “rpoatmsas cvidsntly
the
loss
of Fad
by a huge excess
rue,
of products. (ubsrs
falls uors
in either
is
I.8 wed,
Yhcn excess
syn-sttsck
3 1m surrounded
still
MY
step
of MUD
of this
but in 8-s 5% yield.
24X of the product
systsn
Aoother,
utsrfel
thsn the sya,ryPbis-DieirAlder
sod it
neceassry.
40
the first
cams
(66%)
sddwt
> 66%).
4.
AOOUCTS
stsrtiag
Whoa
such l o ettsck
HEAD rvsiiable,
or POR
of clcLv ir
fa
5
5
Dut in botb
cyclohsxsdieos
prsclssly
step
(probably
4
24
tine lyn-
nection
of MUD.
to the sywsono-Dfels-Alder
to the propsllsdfens us8 lsrllsr
dlscwaed
other
no excssa
2s the first
cyclohexadieot
thars
is
3 nsults lcsdiu~
rolecules.
for the ssns
1 clhmm that
bs isolated
NMt
66 31
29
I.1
)IMlt
of actallic
losr
oxidstion.
of slailsr
end of
Icrs
No
behavior
in
klsu.
2 shmts thst
the snti-rcucrCpCo-capllplu,
The major product 6 results
two products
further
l rs
rsaction
yeia
4 (LLX)
of 4 uith
fra
attick
snd 3 (5X)
HUD,
Zb, of the
rssultiag
respectivsly.
uith
I.1
es HfM,
psnits
neked eyclahcrrdiene fro
loss
rink
33% to br whilst
of sme CpCo frcr
the
6 and
P. A.snmA2.l
4818
MTAD
NYg
al.
Cl
A
N
CPCO
N +
2b
- 2b
-6
33 -
50
-4 MTAD
I. I
IO
However in
when
18X,
.n
26X,
(10 eq)
ucee. end 5U%,
Scheme 3 ehow
the
NM8
of ~AII
ie
the
the
vith
no Zb ir
med.
vhere
khevior
4,
end 5 l re
of the
lyn,enti-bircaplu
2d.
NW
N+ N*N -2d
product* i.e.
behevior ir
and 6,
NMI
I.1
76
IO
44
l re
obteined
2d ie
lyn-CpCo group ie rlnoved there
recovered
MTAD
greetert,
the
56
2
of the
lpperently
the
in
I2 I
pony
in preference
no ruch
to
in type the
lyo,eoti-Fe(CO)3 relectivity.lb
II
I
22
32
3
lech cue,
ltebleet
enelogour
2.
+
Scheme
ie
5
II
rerpectively.
-2d
e-e
5
26
CPCO A CPQ
Ihe
Y?
N
AWUCTS
18
Schema
forred
NM8
NMc
NMt
the
reletive
2 pruducte.
lnti
one (Cf.
cmplex
lhoun.
eaounte There
2d ->
of the
ie
cleer 6).
tetreenic
tlcro
recovery
iadicetion
Thie
ie
not
propellane
thet
in
line
imide
4819
PropellriXs--xctv Albeit
we know the lu-lMR spsctrum
the crude survive
ructioo
mixture
the sopsration
unsyretrlc&l
oaly
procedure.
bie-cupIex
id
is
the syn,ryn-bis-CpCo-co.Plex3
of
Zb, and 2d were isolated.
2a,
Again a syn-CpCo misty rtabie
under
the lme
upon chrautography
‘f’hc fourth
is
rather
treatmax
usily
duriq
of
component 2c does not renovcd
but the and
8ep8ration
isolitlon. When 2d is created aa w-pared
vitb
cobalt-lesr
uterial
of
f 4:l.
with cerlc
uooiun
1, th
syn CpCo group
here ll80,
l’hu8,
it
f8 tsrfer
mixture,
Dr. G. Yilke
Prof.
alxtures
tetra8nic
of
preparstions. additional
for
propellane
rt8y
st flulheim/Ruhr
plate
P. vollbrdt
of
the crude
hfs
isolated.
private
comunications
us enough crude
reaction
and to Herr L. Stchliug
hospitality of
by a factor
nor othervise
for
for
with CpCo-dlethene
In the sumer
to conP1stely
to the snti-group
in the NHR 8pectrtm
to prepare
owes royal
CpCo is not ss selective
the sp-moiety.
to Professor
fifde8
of
in addition
on the chromtogrsphic
his kfod a~reaent
Again ooe of us (D.G.)
resow1
18 removed em corpsred
2e w8e obaervrd
nor va8 any observed
AtZkSnI~ed#meut8.-We are grateful
lSKIto
(3 cq)
Nevcrtholesr,
to ceaovc
None of the lnti,anti-C&O-complex reaction
nitrate
lna10g.~
the syn,anti-bfs-Pc(OD)3
to Professor
Yilkr
these
for
during
sn
1986.
w spectrs were measured in RtOIc on a 5rsy IS spcctraeter. IR spectrs 4MhSMAt.were messured in 0W3 using a Perkio Llrer 298 spectrometer. Wit spectra were measured in CDC13 on a Bruker 400 KHz spectrometer. Msss spectra were Plcnaured on s Varian XAT ill spectrometer. All mp’s (from EtOAc) are uncorrected. sepmr8tIon.was separated with EtOAc (3):
hcune
were isolated. unstable of
a) The crude
resction
on dry columns of (7)
On the
elueat.
JJ
the
crude mixture
JIPC
Hcune
conditions
sdded to evsporated if
pure products
mother
were very airilar
2s:
h.p.
1385,
(dd.
2H.
3.74
(dd,
74.94,
8-e
2b: 1382,
(s, 2d:
ZH, ss=e J’s, J2,3-2.3. 80.37, (6).
252 (88).
247-248’C. 1380,
272 (6)s
461.0235,
fdd,
1010.
Co-vinyllc), 76.03,
4.69 2.88
15.82,
252 (53).
found 46L.0221.
found
(s,
‘Li-NM: (8,
121.68,
(dd,
5 Cp H),
3 NC3&,, 2.82
58.65,
189 (1001,
56.53, 187 (9).
in 8oLutfon amounts
and the three
of
On the other
hJRd,
l).
IR: 1780,
J2,3-2.6,
vinylie),
(log
252 (42).
264 (4.163.
the
1708, 5.57
5 Cp H),
(8,
118.43,
187 (63,
80.19,
2.95
76.42,
80.21,
128 (47),
(dd,
ZH, sue
128 (71,
fdd,
ZH, J-2,2
56.28,
1435,
2H, 8aae J’s, Co-vinylie),
55.37,
24.56.
no fluorercence.
IR:
J2,3-2.4,Co-vfnylic),
; Cp H),
24.28.
5.64 cd,
1708,
U8: 337,
found 337.0543.
268 (4.40); (s,
1770,
IR:
vlnylic~,
Cp H),
28, J 3 494.4,
53.98,
w
272 (5.4),
337.0512.
4.58
products.
337.0534.
332 (3.46). 5.32
stood
J2 3-2.4, Co-viaylic), 4.72 1J C-NhR (100 HRs): 126.59,
(s,*5
MU: &lc.
trfturation
(11 mg) was
procedures.
J2 3=2.1,
4.83
ia Clearly
decomposition
ZH, J3,4-7.5,
334 (3.2),
2H, J3 4’7.8,
128 (34).
8) and 1 (25 ~8s)
b) Rspid
The relative
266 (4.25),
335 (32).
125.68,
a ppt of
2a.
(dd,
f8.‘3NQII).
Co-vinylicf:
8)
plates
S102.
2H, J3 4’4.3,
UV: 388 (3.13).
1295,
into
338 (3.3).
337.0513,
SiO2).
(2.1
silics
gave a ppt of 2d (17 ~1.
gave
separation
or over
UV: 388 (2.863,
vith
2c but vhen this
in both
3.09
l3 C- NhR (100 KHz):
Co-vlnylic), 79.38,
(dec).
2H, J-2.02,
335 (46), h.p.
(dd,
and 2a (0.33
(16 mg) end b part
decomposed
U8: 337. U+(78,,
lH-NtlR: 5.94
(d,
‘JNC,).
1435,
4.83
C18H,6ND2Co: Cslc.
1010.
solid
’ H-NhR (400 MHz): 5.72
Co-vlnylicf,
24.89.
226-23O’C
5.05
H+(lOO,, 1700,
W:
1290,
vinylic),
J’8,
39.45,
Ln the dark,
388 sh (2.98).
vinylic),
SH, 8-e
!&p.
W:
g),
and/or
with benzene
in solution
1018 cm-‘.
J’s,
60.89,
124 (100).
2.74
200-202°C. 1295,
2b (0.23
and CpCo-diethene
by preparative
the lH-NhR Spectrum of 2c3 it
to contain
this
folloved
solution
give
appeJred
isomer Zd, remained unchsnged 1440,
liquor
SiO2 us8 then used,
isolated
(in
and treatment
This fraction
particularly
g)* of
(48 ~8) with EtOk,
of mother liquor
hexane-soluble.
of the methylinlde 100-200)
2d (1.23
of our knowledge
ba~i8
under the separstion
Cwporstion
oixturr (Uoeln
rilic~
3.07
fdd,
ZH, J3 4-4.4, 1J c-NUR: 178.43, Co-vinylic).
J’s,
I(s: 461,
124 (52).
1768,
4.80
(dd,
h+(88),
W:
376 (91,
337 (71,
C23H2lH02Co2: Cslc-
310
4820 Iuctiou and 10 tq.
flltercd, htunc
tie& re~p~~fvely)
Schue
n.p.
3: 6.01
(t.,
2H,
f&N).
&lc.
270-274’C
(38
4.68
(I,
mg) geve
UV:
It),
5 Cp I).
3.20
80.16,
76.51,
13C: 128.14,
252 (13).
450.0738,
found 450.0765.
producta
(2.64).
(dd, (e,
189 (41),
Schme
the productr
whovn in Scheme 2.
6: n.p.
’ 28O’C.
406 (2.63).
(s,
5 cp H), 75.42,
189 (13).
2.92
57.36,
identical
24.83.
with
with
leparetion
1pecioen8.
ceric
salt
6 (21 mg) with ceric
lalt
(58 mg),
5X)
1790,
1720.
4.78
W:
J-3-4,
2.86
US: 450,
124 (66).
+i-IMR
(t,
(es
&1.4),
337
$1R19N4D4@:
when 10 lq WTADlre wed.
(st
MS: 450,
reectione
II:
1785,
1725.
4.95
3N(II3).
n+(l6),
(G
‘R-NHR: 6.64
J=3.4.
2%
13C: 175.88,
337 (28).
(t.
E-N),
127.85,
285 (81,
252 (13)~
of td with different 6 was identical
plete
2e (18 q,
ueing
13.5X),
uounte
thet
ceric
of
deecribed
uuronium nitrate
EtOAc(4):
hexene(i)
end 2b (80 op,
HeOH(i) (10 ml) wing
to an authentic l
to
mAD*
2d
lbove,
4
L
(68 mg) in EtOAc(3):
gave 4 (18 mg; 92%) identicel
4 (2 rp;
Co-vioylic),
25.11.
128 (S),
2.75
IP:
J’e,
C+vioYlfC),
- 2d (200 mg) with
on a prep Si02
1 (23 mg, 27X),
66X),
speciaen8.1
of the
OP.
u;
EcOAc (7):’
luple8.’
124 (56).
to authentic the results
producte
daretaleted
3 (27 q) aa eluent
25.47,
usIn
Co-VioYlfc),
25.50,
270 (4.08).
J2,3-2.3,
128 (30),
to luthentfc
fdcnticel
g8ve in HeOH after completely
161 (100).
to MALI (gee mounts recovered).
1~ the =oet et&le
of
49.39,
(33
(4.09).
2?i, e-e
49.06.
(m, 3Ni2$ + ZH, Co-vinYLic),
3 emrixeo
hutment
(dd,
328 (2.941,
2H,J3,1’4.2.
161 (loo),
4 and 5 vere
and 5 were
(dd,
54.79,
165 (66),
Schuc
W: 5.09
3.04
262
J2,3’2.2,
1 shovll the producte
Zb gave
If),
(2.88).
55.10,
165 (34).
eq
lpec1sene.l
332
3Nq13).
3,
W~AKI(1.1
The whole war
to eutheatfc
Za (11 mg; 29X),
211, J3,4-4.2,
55.41(q),
48h.
with
on prep SiO2 pletes
were ideorical
luthentic
to
to arand for
effected
recovered
388
4.97
or 2d ue~ each treeted
end rlloved
Co-less
identlcel
(dec).
2 vln~lic
2 vinylie
81.91,
end 2e
Za, Ib,
leperetlon
and
caeea
285 (69),
J-3.4, k.71
in lll
4 end 5 were
J-3.4,
3NCIff). (13),
eq)
1).
procedure:
ECOAc rolution
in
ee riuent.
HTAD (1.1
- General
lveporeted
the solvent (3)
(see
tffm.
u
(474 mg, 3 eq) cluent
gave
59.5X). XtOAc(7):
hexsnc(3)
specimen.’
e lbove gave identical
4 (IS mg; 98X).
PEFKRBNCeS 1. 2.
l) kI.
Korat, 0. Tatereky, and D. Cinrburg, htrebedror, 26, 2313 (1972). b) C. Amith and D. Cinrburg, ibid., 30, 3415 (1974). C. Anith, and 0. Clneburg, Bclr. (Mm. &t.a, K. Bachmen, U. van Phfliprborn, (1977).
3.
4.
5.
60,
400
42, 2559 (1986). 0. Ginsburg, L. StchlIog, C. Wilke, R. Berm. and R. Goddard, htrahdnm, N. Reshcf, A& D. Ginsburg, TeLrabdrOQ, a) J. Altman, E. Cohen, f. Haymon, J.B. Petcraen, htrrMrcm bf K.B. Birnbaur, J. Altman, T. Uaynon, end D. Clneburp, 25, 5115 (1969). cf. c) K.B. Birnbaum. kti -St., 281, 161 (1972) md d) G.1. IlttcrB, 2051 (1970). Birnbaua, J. k. 5~. Sot., 94, 2458 (1972). K.P.C. Vollhardt, prlvete coprunicetion.