SCOPUS 정보 검색 플랫폼

Volumn 32, Issue 37, 1991, Pages 4819-4822

Stereospecific tetracyclization of icosatetraenes via Mn(III) promoted oxidative free-radical cyclization

Author keywords

[No Author keywords available]

Indexed keywords

ANDROSTANE DERIVATIVE; STEROID;

ARTICLE; CHEMICAL STRUCTURE; PRIORITY JOURNAL; REACTION ANALYSIS; SYNTHESIS;

EID: 0025902346 PISSN: 00404039 EISSN: None Source Type: Journal
DOI: 10.1016/S0040-4039(00)93469-5 Document Type: Article

Times cited : (43)

References (17)

3
- 0000880979
- (1990) J. Am. Chem. Soc. , vol.112 , pp. 2759
- Dombroski¹ Kates² Snider³

4
- 0242474984
- For other types of Mn(III) promoted oxidative reactions see: references 3, 5, 7 and
- (1991) J. Org. Chem. , vol.56 , pp. 3089
- Bertrand¹ Surzur² Oumar-Mahamat³ Moustrou⁴

5
- 84918645572
- Zoretic P.A.;Ramchandani M.;Caspar M.L. Synthetic Commun. (in press).

6
- 84918638311
- 3,δ) for compounds in this work are: 2 9.77 (t, 1H, J=1.9Hz), 5.72 −5.93 (m, 1H), 5.13-5.22 (m, 1H), 4.91 −5.07 (m, 2H), 1.61 (s, 3H); 3 5.70–5.92 (m, 1 H), 5.12–5.22 (m, 1H), 4.81 −5.05 (m, 4H), 4.04 (br, t, 1H), 1.72 (s, 3H), 1.60 (s, 3H); 4 5.73–5.94 (m, 1H), 4.90–5.19 (m, 4H), 4.12 (q, 2H, J=7.2Hz), 1.61 (s, 3H), 1.58 (s, 3H), 1.25 (t, 3H, J=7.2Hz); 5 5.73-5.95 (m, 1H), 4.91 −5.22 (m, 4H), 3.64 (br, m, 2H), 1.60 (m, sharp, 2 Me's); 6 9.71 (t, 1H, J=1.9Hz), 5.73–5.94 (m, 1H),4.91–5.20 (m, 4H), 1.61 (s, 3H), 1.58 (s, 3H); 7 5.72–5.93 (m, 1H), 4.83-5.20 (m, 6H), 4.0 (br, m, 1 H), 1.73 (s, 3H), 1.62 (s, 3H), 1.59 (s, 3H); 8 5.73–5.93 (m, 1H), 4.91–5.20 (m, 5H), 4.13 (q, 2H, J=7.2 Hz), 1.59 (s, 9H); 9 5.72-5.93 (m, 1H), 4.90-5.23 (m, 5H), 2.97 (t, 2H, J=7.5Hz), 2.37 (t, 2H, J=7.5Hz), 1.59 (br, s, 9H); 10a 5.72–5. [[Truncated]]

7
- 84918600191
- Zoretic, P.A.; Ramchandani, M.; Caspar, M.L. Synthetic Commun. (in press).

8
- 84918649778
- An identical cyclization of 10b afforded 11b(23%); mp: 182–84 °C. The yields reported were not optimized.

11
- 0000492963
- Broadband homonuclear cross polarization in 2D N.M.R. using DIPSI-2
- (1990) Molecular Physics , vol.68 , pp. 509
- Rucker¹ Shaka²

12
- 84918646027
- 9b. The phases of the observe pulse and the receiver are cycled (in multiples of π/2) as 0,0,1,1,2,2,3,3 and 0,2,1,3,2,0,3,1, respectively.

13
- 0002549488
- Conformational analysis of apparicine using 1H nuclear magnetic relaxation: application of transient nuclear Overhauser enhancements
- (1980) Journal of the Chemical Society, Perkin Transactions 2 , pp. 919
- Heatly¹ Akhter² Brown³

14
- 84918638544
- For the transient NOE experiment the pulse sequence was: 180° (low power) -τ-90°-acq. FID, where the selective 180° is a composite pulse (note 10) and the receiver phase is alternated between 0° and 180° on even and odd numbered acquisitions. The delay tau for cross relaxation was 0.5 seconds.

15
- 84918628908
- The complete details and spectra of the HOHAHA and transient NOE experiments will be published elsewhere.

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.