(5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

Base Information

Chemical Name:(5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime
CAS No.:1575700-26-3
Molecular Formula:C₃₁H₅₃NO
Molecular Weight:455.768
Hs Code.:

(5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

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Chemical Property of (5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

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Technology Process of (5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

There total 4 articles about (5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.0%

: 1255-26-1
lanost-8-en-3-one

: 593-56-6
N-methoxylamine hydrochloride

: 1575700-26-3
(5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

Guidance literature:: In methanol; water; 1,2-dichloro-ethane; at 75 ℃; for 3h;
DOI:10.1021/ja501014b

Reference yield:

: 79-63-0
tirucallol

: 593-56-6
N-methoxylamine hydrochloride

: 1575700-26-3
(5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

Guidance literature:: tirucallol; With palladium on activated charcoal; hydrogen;

With Dess-Martin periodane; In dichloromethane;

N-methoxylamine hydrochloride; With pyridine; Reflux;
DOI:10.1002/anie.202002948

Reference yield:

: 79-62-9,564-60-3,6198-06-7,6593-55-1,13879-09-9,39701-94-5,59684-64-9,78821-82-6
24,25-dihydrolanosterol

: 1575700-26-3
(5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime

Guidance literature:: Multi-step reaction with 2 steps

1: Dess-Martin periodane / dichloromethane / 3 h / 20 °C

2: water; 1,2-dichloro-ethane; methanol / 3 h / 75 °C

With Dess-Martin periodane; In methanol; dichloromethane; water; 1,2-dichloro-ethane;
DOI:10.1021/ja501014b