申请人:Danishefsky Samuel J.
公开号:US20090105332A1
公开(公告)日:2009-04-23
A compound having the structure of the formula (genus of compound 1 excluding Tashironin or Debenzoyltashironin)
wherein, R
1
is H or Bz when no more than three of R
8
, R
9
, R
10
and R
11
are H, or
R
1
is Bn, (C
1
-C
4
) alkyl, or CF
3
;
R
2
is H, (C
1
-C
4
) alkyl, halide, OC(O)(C
1
-C
4
)alkyl, OC(O)Ph, or OCF
3
;
R
3
is p-toluene sulfonyloxy, methane sulfonyloxy, C(O)(C
1
-C
4
)alkyl, or OC(O)(C
1
-C
4
)alkyl, bond α is a single bond, and bond β is a double bond or
R
3
is O, bond α is a double bond and bond β is a single bond;
R
4
is H, I, Br, Cl, Si(CH
3
)
3
, (C
1
-C
4
)alkyl, or OCF
3
;
R
5
is OH, OSi(CH
3
)
3
, O(C
1
-C
4
) alkyl, or OCF
3
, and bond γ is a single bond, or
R
5
is O and bond γ is a double bond;
R
6
is H, (C
1
-C
4
) alkyl, or CF
3
;
R
7
is H, OH, (C
1
-C
4
)alkyl, CH
2
OBn, CH
2
O(C
1
-C
4
)alkyl, CH
2
OH, halide, CH
2
OCF
3
or OCF
3
and bond ε is a single bond, or
R
7
is CH
2
and bond ε is a double bond;
R
8
, R
9
, and R
10
are each independently H, (C
1
-C
4
)alkyl, halide, OH, or OCF
3
;
R
11
is H, (C
1
-C
4
)alkyl, halide, OH, or OCF
3
and bond δ is a single bond;
R
12
is H, (C
1
-C
4
)alkyl, O(C
1
-C
4
)alkyl, p-toluene sulfonyloxy or methane sulfonyloxy, halide, OH, OCF
3
, or R
15
R
16
Si, where R
15
and R
16
are each independently (C
1
-C
4
)alkyl, furanyl or Ph, and bond δ is a single bond;
R
11
together with R
12
and the carbons to which each is attached to form an oxirane moiety form an ether group and bond δ is a single bond; or
R
11
and R
12
are absent and bond δ is a double bond. Also disclosed are processes for preparation of the composition.