+++поиск по Reaxy

[Pimi]

Добрый день!
Помогите пожалуйста с поиском по Reaxys способы получения следующих силилированных холестерол подобных соединений.
Cholesterol

C4([C@]1(C(=C(C([C@H]2[C@@H]1C(C([C@]3([C@H]2C(C([C@@H]3[C@@H](C(C(C(C(C([H])([H])[H])(C([H])([H])[H])[H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])([H])[H])[H])C([C@H](C4([H])[H])OΣ(C)(C)C)([H])[H])C([H])([H])[H])([H])[H]

Cholestanol
C1([C@]2([C@H](C([C@H](C1([H])[H])OΣ(C)(C)C)([H])[H])C(C([C@@H]3[C@@H]2C(C([C@]4([C@H]3C(C([C@@H]4[C@@H](C(C(C(C(C([H])([H])[H])(C([H])([H])[H])[H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H]

Brassicasterol
C4([C@]1(C(=C(C([C@H]2[C@@H]1C(C([C@]3([C@H]2C(C([C@@H]3[C@@H](\C(=C(\[C@@H](C(C([H])([H])[H])(C([H])([H])[H])[H])C([H])([H])[H])[H])[H])C([H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])([H])[H])[H])C([C@H](C4([H])[H])OΣ(C)(C)C)([H])[H])C([H])([H])[H])([H])[H]

24-methylene cholesta-5,24-dien-3β-ol
C4([C@]1(C(=C(C([C@H]2[C@@H]1C(C([C@]3([C@H]2C(C([C@@H]3[C@@H](C(C(C(C(C([H])([H])[H])(C([H])([H])[H])[H])=C([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])([H])[H])[H])C([C@H](C4([H])[H])OΣ(C)(C)C)([H])[H])C([H])([H])[H])([H])[H]

Заранее спасибо!
пс. Если ошибся в оформлении подскажите где пожалуйста )

[mishka]

--> с игнорированием стерео

[Pimi]

Спасибо большое!