𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Methyl cis-deisopropyl­dehydro­abietate

✍ Scribed by Wang, Heng-Shan ;Wu, Xiu-Rong ;Pan, Ying-Ming ;Zhang, Ye ;Zhang, Yong

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
145 KB
Volume
62
Category
Article
ISSN
1600-5368

No coin nor oath required. For personal study only.

✦ Synopsis

In the title compound, C 18 H 24 O 2 , a derivative of dehydroabietic acid formed by a Friedel-Crafts reaction between methyl dehydroabietate and aluminium trichloride, the fused cyclohexane rings exhibit classical chair and half-chair conformations.

📜 SIMILAR VOLUMES

Methyl 12-bromo-13,14-dinitro­deisopropy
Methyl 12-bromo-13,14-dinitro­deisopropyl­dehydro­abietate
✍ Pan, Ying-Ming ;Zhang, Ye ;Wang, Heng-Shan ;Tong, Bi-Hai ;Chen, Zhen-Feng ;Zhang 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 286 KB

The title compound, C 18 H 21 BrN 2 O 6 , exhibits weak intermolecular C-HÁ Á ÁBr and C-HÁ Á ÁO hydrogen bonds, which stabilize the structure. The title compound represents a new derivative of dehydroabietic acid.

Methyl 12-bromo-13,14-(thio­dinitrilo)de
Methyl 12-bromo-13,14-(thio­dinitrilo)deisopropyl­dehydro­abietate
✍ Lin, Ning ;Wang, Heng-Shan ;Ng, Seik Weng 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 166 KB

The structure of the title compound, C 18 H 21 BrN 2 O 2 S, features a five-membered 2,1,3-thiadiazole ring in which the N atoms are two-coordinate [N-S-N = 101.6 (2) ].

Methyl 12-chloro­dehydro­abietate
Methyl 12-chloro­dehydro­abietate
✍ Zhang, Ye ;Pan, Ying-Ming ;Wang, Heng-Shan ;Wu, Qiang ;Zhang, Yong 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 131 KB

The structure of the title compound (systematic name: methyl 6-chloro-7-isopropyl 2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylate), C 21 H 29 ClO 2 , has been determined by X-ray diffraction and is compared with the structures of methyl 12-acetyldehydroabietate and methyl dehydroabietate.

Dehydro­abietic acid N-methyl­anilide
Dehydro­abietic acid N-methyl­anilide
✍ Rao, Xiao-Ping ;Song, Zhan-Qian ;Radbil, Benyumin ;Radbil, Arkadyi 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 121 KB